- George C. Scott
- Colonel Franz Ritter
- Anne Bancroft
- Countess Ursula von Reugen
- William Atherton
- Karl Boerth
- Roy Thinnes
- Martin Vogel
- Gig Young
- Edward Douglas
- Burgess Meredith
- Emilio Pajetta
- Charles Durning
- Captain Max Pruss
- Richard Dysart
- Captain Ernst Lehman
- Robert Clary
- Joseph Spah
- Rene Auberjonois
- Major Napier
- Peter Donat
- Reed Channing
- Alan Oppenheimer
- Albert Breslau
- Katherine Helmond
- Mrs. Mildred Breslau
- Joanna Moore
- Mrs. Channing
- Stephen Elliott
- Captain Fellows
- Joyce Davis
- Eleanore Ritter
- Jean Rasey
- Valerie Breslau
- Ted Gehring
- Knorr
- Lisa Pera
- Freda Halle
- Joe Di Reda
- Schulz
- Peter Canon
- Ludecke
- Charles Macaulay
- Hirsch
- Rex Holman
- Dimmler
- Jan Merlin
- Speck
- Betsy Jones-Moreland
- Stewardess Imhoff
- Colby Chester
- Eliot Howell III
- Teno Pollick
- Frankel
- Curt Lowens
- Elevator Man Felber
- Kip Niven
- Lieutenant Truscott
- Michael Richardson
- Rigger Neuhaus
- Herbert Nelson
- Dr. Eckener
- Scott Walker
- Gestapo Major
- Greg Mullavey
- Morrison
- Val Bisoglio
- Lieutenant Lombardi
- Simon Scott
- Luftwaffe General
- William Sylvester
- Luftwaffe Colonel
- David Mauro
- Goebbels
- Joe Turkel
- Detective Moore
- Sandy Ward
- Detective Grunberger
- Norman Alden
- Det. Baker, N.Y.P.D.
- Al Beaudine
- Passenger
- Don Bledsoe
- Passenger
- Robert Cole
- Bartender
- Wade Crosby
- Whitehaired Passenger
- Robert Dassanowsky
- Hitler Youth Member
- Jimmy Davilla
- Flakus
- Rudy Doucette
- Reporter
- Len Felber
- Pub Patron
- Susan French
- Ms. Grant
- Arthur Hanson
- Businessman
- Bob Harks
- Investigator
- George Holmes
- Passenger
- Shep Houghton
- Radio Operator: Hand Close-ups
- Arch Johnson
- Capt. B.F. Farley, N.Y.P.D.
- Ruth Kobart
- Hattie
- James Lashly
- Kirby
- Johnny Lee
- Paul Breslau
- Stephen Manley
- Peter Breslau
- Deanna Martin
- Trudi
- Todd Martin
- Bosun Hoban
- John Hugh McKnight
- German Officer
- Lawrence Moran
- Helmut
- Rollin Moriyama
- Mr. Shimura
- Herbert Morrison
- Self - News Reporter in End Credits
- James Murtaugh
- Lesing
- Vic Perrin
- Travel Agency Representative
- John Pickard
- Sauter
- Joe Pine
- Reporter
- Ruth Schudson
- Kathie Rauch
- Rolfe Sedan
- Ambassador Luther
- Robert Strong
- Passenger
- Lora Marie Taylor
- Passenger on Ground
- Danil Torppe
- Young Man
- Charles Wagenheim
- Man at Lakehurst
- William Wintersole
- Secretary
