- Stefanie Powers
- Â April Dancer / ... 29 episodes, 1966-1967
- Noel Harrison
- Â Mark Slate 29 episodes, 1966-1967
- Leo G. Carroll
- Â Alexander Waverly 29 episodes, 1966-1967
- Randy Kirby
- Â Randy Kovacs 7 episodes, 1966-1967
- Thordis Brandt
- Â Miss Ibsen / ... 5 episodes, 1966-1967
- Fred Waugh
- Â Cavalier / ... 5 episodes, 1966-1967
- Bobby Gilbert
- Â Citizen / ... 1 episode, 1966-1967
- Harvey Jason
- Â Bebe / ... 3 episodes, 1967
- Arthur Malet
- Â William Muckleston / ... 3 episodes, 1966-1967
- Fernando Lamas
- Â Alejandro De Sada / ... 2 episodes, 1966-1967
- Lloyd Bochner
- Â Ole Bergman / ... 2 episodes, 1966
- Marcel Hillaire
- Â Antoine Fromage / ... 2 episodes, 1966-1967
- John Orchard
- Â Boarherden / ... 2 episodes, 1967
- Stanley Clements
- Â Dwayne / ... 2 episodes, 1966-1967
- Martin Kosleck
- Â Dr. Boorman / ... 2 episodes, 1966-1967
- Alan Caillou
- Â Arne Carson / ... 2 episodes, 1966-1967
- Patrick Horgan
- Â Byron Cavendish / ... 2 episodes, 1966
- Jason Wingreen
- Â Dictator / ... 2 episodes, 1966-1967
- Khigh Dhiegh
- Â Col. Frank Faber / ... 2 episodes, 1966
- Alan Gibbs
- Â Driver / ... 2 episodes, 1967
- Richard Peel
- Â Bobbie / ... 2 episodes, 1966-1967
- Harry Klekas
- Â Johnson / ... 2 episodes, 1966-1967
- Milton Parsons
- Â Thin Thug / ... 2 episodes, 1966-1967
- Gabrielle Herrera
- Â Model / ... 2 episodes, 1966-1967
- Inger Wegge
- Â Assassin in White / ... 2 episodes, 1967
- Carl Carlsson
- Â Circus Performer / ... 2 episodes, 1966
- Jackie Mitchell
- Â Model / ... 2 episodes, 1966-1967
- Chuck Couch
- Â Circus Performer / ... 2 episodes, 1966-1967
- Henry A. Escalante
- Â Circus Performer / ... 2 episodes, 1966-1967
- Dick Crockett
- Â Stagehand / ... 1 episode, 1966
- Tony Palma
- Â Policeman / ... 1 episode, 1966
- Leslie Uggams
- Â Natasha Brimstone 1 episode, 1966
- Boris Karloff
- Â Mother Muffin 1 episode, 1966
- Luciana Paluzzi
- Â Tuesday Hajadakis 1 episode, 1966
- Michael Ansara
- Â Vizier 1 episode, 1966
- Pernell Roberts
- Â Joey Celeste 1 episode, 1966
- Raymond Massey
- Â B. Elzie Bubb 1 episode, 1966
- Edward Andrews
- Â Conrad Rossano 1 episode, 1966
- Edward Mulhare
- Â Sir Terrance Keats 1 episode, 1966
- Margaret Leighton
- Â Gita Volander 1 episode, 1966
- Sidney Blackmer
- Â Professor Antrum 1 episode, 1966
- Arnold Moss
- Â Iman Abbas 1 episode, 1966
- Monte Landis
- Â Genghis Gomez VIII 1 episode, 1966
- Gena Rowlands
- Â Baroness Ingrid Blangstead 1 episode, 1967
- Ruth Roman
- Â Dolly X 1 episode, 1967
- Jack Cassidy
- Â Rock Mussin 1 episode, 1967
- Patricia Barry
- Â Princess Rapunzel 1 episode, 1967
- Victor Buono
- Â Sir Cecil Seabrook 1 episode, 1967
- Shelley Berman
- Â Dr. Vladimir Toulouse 1 episode, 1967
- Estelle Winwood
- Â Lady Bramwich 1 episode, 1967
- Broderick Crawford
- Â Soyil Irosian 1 episode, 1967
- Sorrell Booke
- Â Sydney Morehouse 1 episode, 1967
- Murray Matheson
- Â Dr. Merek 1 episode, 1967
- Signe Hasso
- Â Sumata 1 episode, 1967
- Eduardo Ciannelli
- Â Prince Boriarsi 1 episode, 1967
- John Carradine
- Â Prof. Boris Budge 1 episode, 1966
- Dom DeLuise
- Â Stanley Umlaut 1 episode, 1966
- Gladys Cooper
- Â Mama Rosha 1 episode, 1966
- Denny Miller
- Â Vic Ryan 1 episode, 1966
- Bernard Fox
- Â Rodney Babcock 1 episode, 1966
- Tom Bosley
- Â Quantum 1 episode, 1966
- Wally Cox
- Â Little John Doe 1 episode, 1966
- Brock Peters
- Â King M'Bala 1 episode, 1966
- Jocelyn Lane
- Â Mandy Dean-Tanner 1 episode, 1966
- Alejandro Rey
- Â Paco Herrera 1 episode, 1966
- Michael Wilding
- Â Franz Joseph 1 episode, 1966
- Chips Rafferty
- Â Liverpool 'Enry 1 episode, 1966
- Edward Asner
- Â George Kramer 1 episode, 1967
- Donnelly Rhodes
- Â Peter Starker 1 episode, 1967
- Yvonne De Carlo
- Â Nadia Marcolescu 1 episode, 1967
- Julie Adams
- Â Julia Douglas 1 episode, 1967
- Joan Blondell
- Â Madame 1 episode, 1967
- Vito Scotti
- Â Dr. Igor Gork 1 episode, 1967
- Hermione Gingold
- Â Major Stella Irosian 1 episode, 1967
- Lynn Bari
- Â Miss Twickum 1 episode, 1967
- Peggy Lee
- Â Packer Jo 1 episode, 1967
- James McCallion
- Â Sean McNee 1 episode, 1967
- Stan Freberg
- Â Herbert Fummer 1 episode, 1967
- Fabrizio Mioni
- Â Cesare Boriarsi 1 episode, 1967
- Steve Harmon
- Â Jean 1 episode, 1967
- Robert Vaughn
- Â Napoleon Solo 1 episode, 1966
- Brenda Benet
- Â Gizelle 1 episode, 1966
- Cesare Danova
- Â Count Egan 1 episode, 1966
- John Qualen
- Â Dr. Elmer Spritzer 1 episode, 1966
- Audrey Dalton
- Â Mrs. Wainright 1 episode, 1966
- Kurt Kasznar
- Â Apollo Zakinthios 1 episode, 1966
- Raymond St. Jacques
- Â Big Feets Charley 1 episode, 1966
- Christopher Cary
- Â Toby Gordon-Jones 1 episode, 1966
- Anna-Lisa
- Â Brunhilde 1 episode, 1966
- Robert Carricart
- Â Ugo 1 episode, 1966
- Sandra Sullivan
- Â Sarita Diaz 1 episode, 1966
- Ellen Corby
- Â Madame Bloor 1 episode, 1967
- Barbara Nichols
- Â Ida Martz 1 episode, 1967
- Ann Sothern
- Â Aunt Magda 1 episode, 1967
- Nanette Fabray
- Â Desiree 1 episode, 1967
- Anthony Caruso
- Â Amintore Dossetti 1 episode, 1967
- Danielle De Metz
- Â Adriana Rafaelli 1 episode, 1967
- Miiko Taka
- Â Madame Dao 1 episode, 1967
- Jill Townsend
- Â Sherilee 1 episode, 1967
- Richard Roat
- Â Commander Scott 1 episode, 1967
- Don Chastain
- Â Montgomery 1 episode, 1967
- Edward Ashley
- Â Mr. Beaumont 1 episode, 1967
- Susan Browning
- Â Ladybug Byrd 1 episode, 1967
- Renzo Cesana
- Â Diplomat 1 episode, 1967
- Abraham Sofaer
- Â Omar 1 episode, 1966
- Cal Bolder
- Â Goru 1 episode, 1966
- Dee Hartford
- Â Chu-Chu 1 episode, 1966
- Lisa Seagram
- Â Miss. Karum 1 episode, 1966
- William Bramley
- Â Ingo 1 episode, 1966
- Jan Arvan
- Â Patras 1 episode, 1966
- Harry Swoger
- Â Captain Stone 1 episode, 1966
- Bruce Gordon
- Â Vito Pomade 1 episode, 1966
- Booker Bradshaw
- Â Prince Nicholas 1 episode, 1966
- David Hurst
- Â Matthew Brecker 1 episode, 1966
- Peter Mamakos
- Â THRUSH Man 1 episode, 1966
- Claude Woolman
- Â Honore Le Gallows 1 episode, 1966
- Karl Bruck
- Â Herr Ober 1 episode, 1966
- Mario Badolati
- Â Enrico Bardi 1 episode, 1966
- Princess Heidi
- Â Putzi 1 episode, 1966
- Joyce Jameson
- Â Shirley Fummer 1 episode, 1967
- Percy Helton
- Â Mesquite Swede 1 episode, 1967
- Angelique Pettyjohn
- Â Cora Sue 1 episode, 1967
- Gerald Mohr
- Â Dossetti 1 episode, 1967
- Karl Held
- Â Prince Efram 1 episode, 1967
- Janet MacLachlan
- Â Nur 1 episode, 1967
- Gene Raymond
- Â Charles Vechten 1 episode, 1967
- Grayson Hall
- Â Mrs. Fowler 1 episode, 1967
- Jesslyn Fax
- Â Mrs. Barnes 1 episode, 1967
- Barry Robins
- Â Chico 1 episode, 1967
- Michael Shillo
- Â Octave d'Oeuf 1 episode, 1967
- Jerry Lester
- Â Big Julie 1 episode, 1967
- Sabrina Scharf
- Â Greta Wolfe 1 episode, 1966
- Ted Cassidy
- Â Tullio 1 episode, 1966
- Virginia Gregg
- Â Granny 1 episode, 1966
- Olive Sturgess
- Â Emily Doe 1 episode, 1966
- John Gabriel
- Â Prince Ahmed 1 episode, 1966
- Barry Kelley
- Â Whiteside 1 episode, 1966
- David Watson
- Â Greg Tover 1 episode, 1966
- Anna Strasberg
- Â Panthea 1 episode, 1966
- Mokihana
- Â Mme. Chop Chop 1 episode, 1966
- Guy Way
- Â Georgie Gounod 1 episode, 1966
- Harold Dyrenforth
- Â Risvold 1 episode, 1966
- Herb Edelman
- Â Mr. Asterick 1 episode, 1967
- Tura Satana
- Â Rabbit / ... 1 episode, 1967
- George Furth
- Â Miklos 1 episode, 1967
- Leonid Kinskey
- Â Enzo Cannaloni 1 episode, 1967
- Harry Harvey
- Â Old Man 1 episode, 1967
- Jack La Rue
- Â Cassie 1 episode, 1967
- Lucienne Bridou
- Â Miss Evans 1 episode, 1967
- Kim Kahana
- Â Fire Dancer 1 episode, 1967
- Lee Kolima
- Â Giant guard 1 episode, 1967
- Peter Markus
- Â Hugo Horsch 1 episode, 1967
- Lisa Loring
- Â Felicia 1 episode, 1966
- Henry Calvin
- Â Sheikh Ali Hassen 1 episode, 1966
- Johnny Haymer
- Â Joey the Clown 1 episode, 1966
- Beth Brickell
- Â Hostess 1 episode, 1966
- Lane Bradford
- Â Mr. Bruno 1 episode, 1966
- Oscar Beregi Jr.
- Â Hugo Von Gerb 1 episode, 1966
- Penny Santon
- Â Linen Maid 1 episode, 1966
- Brian Avery
- Â Dieter 1 episode, 1966
- William Tuttle
- Â Tuttle 1 episode, 1966
- Tony Davis
- Â Boy 1 episode, 1966
- Joan Connors
- Â Waitress 1 episode, 1966
- Mark de Vries
- Â Hansel 1 episode, 1966
- Reta Shaw
- Â Mrs. Sedley 1 episode, 1967
- Olan Soule
- Â Dr. Apella 1 episode, 1967
- Phil Arnold
- Â Businessman 1 episode, 1967
- China Lee
- Â Vivian 1 episode, 1967
- Carol Veazie
- Â Helena Fantini 1 episode, 1967
- Gari Hardy
- Â Yeoman Kelly 1 episode, 1967
- Barry Macollum
- Â The Face 1 episode, 1967
- Dick Bullock
- Â Driver 1 episode, 1967
- Janine Clements
- Â Handmaiden 1 episode, 1967
- Linda Watkins
- Â Madame Freuchen-Nagy 1 episode, 1966
- Susan Brown
- Â Secretary 1 episode, 1966
- Kelton Garwood
- Â Poet 1 episode, 1966
- David Fresco
- Â Georgie Franks 1 episode, 1966
- Allen Jaffe
- Â THRUSH Agent 1 episode, 1966
- Otto Waldis
- Â Honstedt 1 episode, 1966
- Maryesther Denver
- Â Maude 1 episode, 1966
- Cindy Taylor
- Â Gretel 1 episode, 1966
- Charles H. Radilak
- Â Professor Van Zold 1 episode, 1966
- Kenneth Parker
- Â First Man 1 episode, 1966
- Mara Marshall
- Â Countess Vorini 1 episode, 1966
- Burt Mustin
- Â Jan Streich 1 episode, 1967
- Sheldon Collins
- Â Marvin 1 episode, 1967
- Barry Cahill
- Â Daniel McCall 1 episode, 1967
- James Millhollin
- Â Aide 1 episode, 1967
- Donald Curtis
- Â Billionaire 1 episode, 1967
- Gary McLarty
- Â Driver 1 episode, 1967
- Bob Duggan
- Â Border guard 1 episode, 1967
- Kendrick Huxham
- Â Steward 1 episode, 1967
- Violet Carlson
- Â Mama 1 episode, 1967
- Tiki Santos
- Â Cook 1 episode, 1967
- Susanne Cramer
- Â Marlene 1 episode, 1966
- Vincent Beck
- Â Kassim 1 episode, 1966
- Ivan Triesault
- Â Professor Voltan 1 episode, 1966
- Lili Francks
- Â Dancer 1 episode, 1966
- Rupert Crosse
- Â Tchelba 1 episode, 1966
- Randy Whipple
- Â Darby 1 episode, 1966
- Jennifer Kaye Evans
- Â Lisa Calvert 1 episode, 1966
- Amentha Dymally
- Â UNCLE secretary 1 episode, 1966
- Carlos Rivero
- Â Native 1 episode, 1966
- Joseph Calvelli
- Â Police Chief 1 episode, 1966
- Glen Vernon
- Â Salesman 1 episode, 1967
- Laurie Sibbald
- Â Sara Vechten 1 episode, 1967
- Guy Lee
- Â Vendor 1 episode, 1967
- Joe Finnegan
- Â Driver 1 episode, 1967
- John Cestare
- Â Border guard 1 episode, 1967
- Allan Lurie
- Â Henry Coyle 1 episode, 1967
- Hans van Noord
- Â Tyrolean 1 episode, 1967
- Charles Dierkop
- Â Iago Susich 1 episode, 1966
- Carol Wayne
- Â Sheila 1 episode, 1966
- Richard Hale
- Â High Priest 1 episode, 1966
- Than Wyenn
- Â Dr. Ampona 1 episode, 1966
- David Sharpe
- Â Peon 1 episode, 1966
- Al Hopson
- Â Wino 1 episode, 1966
- Ernest Sarracino
- Â Sandor 1 episode, 1966
- Khalil Bezaleel
- Â Tate 1 episode, 1966
- Jon Cedar
- Â Owens 1 episode, 1967
- Dale Ishimoto
- Â Pearl King 1 episode, 1967
- Mary Foran
- Â Woman on exercise bike 1 episode, 1967
- Barry Brooks
- Â THRUSH guard 1 episode, 1967
- Everett Creach
- Â Driver 1 episode, 1967
- Harry Varteresian
- Â Masked Wrestler 1 episode, 1967
- Jeff Lawrence
- Â Tyrolean 1 episode, 1967
- Donald Journeaux
- Â Mr. Heep 1 episode, 1967
- Steve Lander
- Â Announcer 1 episode, 1967
- Rafael Campos
- Â Aboud 1 episode, 1966
- Fritz Feld
- Â Chef 1 episode, 1966
- Billy Beck
- Â Joe 1 episode, 1966
- Ruth Carlsson
- Â Circus Performer 1 episode, 1966
- Chuy Franco
- Â Thrush Guard 1 episode, 1966
- Noah Keen
- Â Pilot 1 episode, 1967
- Dick Geary
- Â Radioman 1 episode, 1967
- Arthur Hanson
- Â Sub XO 1 episode, 1967
- Mel Berger
- Â Sheik 1 episode, 1967
- Frank Arno
- Â Waiter 1 episode, 1967
- Sharon Lucas
- Â Bibi 1 episode, 1967
- Joseph Azar
- Â Zydor 1 episode, 1967
- Jan van Noord
- Â Tyrolean 1 episode, 1967
- Laurie Main
- Â Shah Karum 1 episode, 1966
- Lyn Peters
- Â Model 1 episode, 1966
- Emile Avery
- Â Circus Performer 1 episode, 1966
- Noel De Souza
- Â Waiter 1 episode, 1966
- Peter Virgo
- Â Policeman 1 episode, 1966
- Ray Martel
- Â Thrush Guard 1 episode, 1966
- Eileen Baral
- Â Eris 1 episode, 1967
- Renie Riano
- Â Charwoman 1 episode, 1967
- Gilchrist Stuart
- Â Palace Guard 1 episode, 1967
- Ilona Wilson
- Â Toulouse's Elite Guard #5 1 episode, 1967
- Joe Ross
- Â Ligar 1 episode, 1967
- Rick Flores
- Â Thrushman 1 episode, 1967
- Michael Marriott
- Â Driver 1 episode, 1967
- Felix Silla
- Â Circus Performer 1 episode, 1966
- Walter Janovitz
- Â Baggage Clerk 1 episode, 1966
- William Edmonson
- Â Police Captain 1 episode, 1966
- Daniel Ades
- Â Elburz 1 episode, 1966
- Joseph Vince
- Â Fencing Partner 1 episode, 1966
- Robert Doyle
- Â Buddy 1 episode, 1967
- David Brian
- Â Logan Petrie 1 episode, 1967
- Bob Bralver
- Â Skin Diver 1 episode, 1967
- David Gross
- Â Guard 1 episode, 1967
- Micheline Lerner
- Â UNCLE agent 1 episode, 1967
- Edgar Winston
- Â Assassin in White 1 episode, 1967
- William Deming
- Â Driver 1 episode, 1967
- Ingeborg Kjeldsen
- Â Circus Performer 1 episode, 1966
- Ivor Barry
- Â Freuchen-Nagy 1 episode, 1966
- Kanan Awni
- Â Biban 1 episode, 1966
- John Magnusson
- Â Engineer 1 episode, 1966
- Michael J. Pollard
- Â Herbie 1 episode, 1967
- Philip Ahn
- Â Wu 1 episode, 1967
- Jan Davis
- Â Toulouse's Elite Guard #6 1 episode, 1967
- Sid Kane
- Â Man 1 episode, 1967
- Don MacAllister
- Â Member of The Daily Flash 1 episode, 1967
- John B. O'Donnell
- Â Driver 1 episode, 1967
- Roger Til
- Â Bartender 1 episode, 1966
- George Perina
- Â Marshal 1 episode, 1966
- Barbara Hemingway
- Â Circus Performer 1 episode, 1966
- Burt Brandon
- Â Lars 1 episode, 1966
- Richard Bakalyan
- Â Brutus 1 episode, 1967
- Reggie Nalder
- Â Pepe 1 episode, 1967
- Linda Albertano
- Â Toulouse's Elite Guard #7 1 episode, 1967
- Steve Lalor
- Â Member of The Daily Flash 1 episode, 1967
- Chris Anders
- Â Gunslinger 1 episode, 1966
- Norbert Siegfried
- Â Valet 1 episode, 1966
- Jon Keliehor
- Â Member of The Daily Flash 1 episode, 1967
- William 'Billy' Benedict
- Â Counterman 1 episode, 1966
- Alfred Shelly
- Â UNCLE Agent 1 episode, 1966
- Doug Hastings
- Â Member of The Daily Flash 1 episode, 1967
- Ingrid Mack
- Â Airline hostess 1 episode, 1966
- Vince Eli
- Â THRUSH agent 1 episode, 1966
- Sunny Woods
- Â Circus Performer 1 episode, 1966
- Aisha Ali
- Â Belly dancer 1 episode, 1966
- Maya Van Horn
- Â Wardrobe mistress 1 episode, 1966
- Julie Ann Johnson
- Â Circus Performer 1 episode, 1966
- Jerry Schumacher
- Â Henchman / ... (uncredited) 9 episodes, 1966-1967
- Gene Coogan
- Â Bartender / ... (uncredited) 6 episodes, 1966-1967
- Paul Ravel
- Â Arab / ... (uncredited) 3 episodes, 1966-1967
- Duke Fishman
- Â Fisherman / ... (uncredited) 2 episodes, 1966-1967
- Monty O'Grady
- Â Bus Passenger / ... (uncredited) 2 episodes, 1966
- Charles Horvath
- Â Brawler / ... (uncredited) 2 episodes, 1966
- Cosmo Sardo
- Â Reporter / ... (uncredited) 2 episodes, 1966
- Paul Bradley
- Â Citizen / ... (uncredited) 2 episodes, 1966
- George Hoagland
- Â THRUSH Agent / ... (uncredited) 2 episodes, 1966
- Jerry Rush
- Â Bodyguard / ... (uncredited) 2 episodes, 1966
- Don Anderson
- Â Stagehand (uncredited) 1 episode, 1966
- Jack Perkins
- Â Henchman (uncredited) 1 episode, 1966
- Noble 'Kid' Chissell
- Â Fisherman (uncredited) 1 episode, 1966
- George DeNormand
- Â Thush Council Member (uncredited) 1 episode, 1966
- Nick Borgani
- Â Restaurant Patron (uncredited) 1 episode, 1966
- Alex Sharp
- Â THRUSH Agent (uncredited) 1 episode, 1966
- Bernard Sell
- Â Cafateria Patron (uncredited) 1 episode, 1966
- Joe Garcio
- Â Citizen (uncredited) 1 episode, 1966
- Hans Moebus
- Â THRUSH Agent (uncredited) 1 episode, 1966
- Dick Cherney
- Â Pallbearer (uncredited) 1 episode, 1966
- George Calliga
- Â Minister (uncredited) 1 episode, 1966
- Sig Frohlich
- Â Waiter (uncredited) 1 episode, 1966
- David Armstrong
- Â Thrushman (uncredited) 1 episode, 1966
- Spencer Chan
- Â Captain (uncredited) 1 episode, 1966
- Bud Cokes
- Â Pallbearer (uncredited) 1 episode, 1966
- Jack Clinton
- Â Pallbearer (uncredited) 1 episode, 1966
- Rudy Germane
- Â Policeman (uncredited) 1 episode, 1966
- Jean Ransome
- Â UNCLE Agent (uncredited) 1 episode, 1966
- Daniel Nunez
- Â Citizen (uncredited) 1 episode, 1966
- Bob Whitney
- Â UNCLE Agent (uncredited) 1 episode, 1966
- Emma Palmese
- Â Mourner (uncredited) 1 episode, 1966
- George Golden
- Â Fisherman (uncredited) 1 episode, 1966
- Clint Sharp
- Â Stage Driver (uncredited) 1 episode, 1966
- Leslie Dean
- Â Mata Hurens (uncredited) 1 episode, 1966
- George Mayon
- Â Captain (uncredited) 1 episode, 1966
- Phyllis Davis
- Â Girl in Bikini (uncredited) 1 episode, 1967
- Jerry Summers
- Â Henchman (uncredited) 1 episode, 1967
- Mitchell Rhein
- Â Plane Passenger (uncredited) 1 episode, 1967
- Paul Lewis
- Â Plane Passenger (uncredited) 1 episode, 1967
- Fred Kinney
- Â Plane Passenger (uncredited) 1 episode, 1967
- Frankie Silver
- Â Nun (uncredited) 1 episode, 1967
