- Fay Wray
- Ann Darrow
- Robert Armstrong
- Carl Denham
- Bruce Cabot
- Jack Driscoll
- Frank Reicher
- Capt. Englehorn
- Sam Hardy
- Charles Weston
- Noble Johnson
- Native Chief
- Steve Clemente
- Witch King
- James Flavin
- Second Mate Briggs
- Walter Ackerman
- Reporter
- James Adamson
- Native Child
- Van Alder
- Member of Ship's Crew
- Ed Allen
- Native
- Etta Mae Allen
- Native
- Frank Angel
- Reporter
- Roscoe Ates
- Press Photographer
- Ralph Bard
- Member of Ship's Crew
- Reginald Barlow
- Ship's Engineer
- Leo Beard
- Member of Ship's Crew
- Fred Behrle
- Member of Ship's Crew
- Jack Best
- Warrior
- Johnnie Bland
- Warrior
- Eddie Boland
- Reporter / Cameraman (uncredited)
- Harry Bowen
- Reporter
- John Brakins
- Warrior
- Lynton Brent
- Reporter / Cameraman (uncredited)
- Roy Brent
- Member of Ship's Crew
- Everett Brown
- Native in Ape Costume
- Betty Burns
- New York Theatergoer
- Barney Capehart
- Pilot
- Jack Chapin
- Reporter
- Harry Claremont
- Member of Ship's Crew
- Edward Clark
- Member of Ship's Crew
- Eddie Clayton
- Theater usher
- Chick Collins
- Member of Ship's Crew
- Odel Conley
- Warrior
- Onest Conley
- Warrior
- Merian C. Cooper
- Pilot of Plane That Kills Kong
- Harry Cornbleth
- Member of Ship's Crew
- Kathryn Curry
- Native
- Nathan Curry
- Native
- Dick Curtis
- Member of Ship's Crew
- Bill Dagwell
- Member of Ship's Crew
- George Daly
- Machine Gunner
- Ruby Dandridge
- Native Dancer
- Vivian Dandridge
- Native Child
- John Davis
- Warrior
- Joe Dill
- Member of Ship's Crew
- Jimmy Dime
- Member of Ship's Crew
- Fanny Donahue
- Native
- Jean Doran
- New York Theatergoer
- Walter Downing
- New York Theatergoer
- Florence Dudley
- New York Theatergoer
- Tex Duffy
- Member of Ship's Crew
- William Dunn
- Native
- William Duran
- Warrior
- Peter Duray
- Reporter
- Harry Duval
- New York Theatergoer
- Earl Dwire
- New York Theatergoer
- Ralph Easton
- Reporter
- Oliver Eckhardt
- New York Theatergoer
- Louise Emmons
- Old Woman in Line at Mission
- Shorty English
- Member of Ship's Crew
- Frank Fanning
- Police Officer
- Jean Fenwick
- New Yorker
- Bill Fisher
- Member of Ship's Crew
- Larry Fisher
- Member of Ship's Crew
- Arthur J. Flaven
- Member of Ship's Crew
- Joe Flourney
- Native
- Betty Gale
- New Yorker
- Jack Gallagher
- Member of Ship's Crew
- Bob Galloway
- Pilot
- Evelyn Garrison
- Native
- Harold Garrison
- Native
- Frank Gerritty
- Member of Ship's Crew
- June Gittelson
- Fat Woman
- Arnold Gray
- Reporter
- Duke Green
- Member of Ship's Crew
- Lawrence Green
- Native
- Dorothy Gulliver
- New York Theatergoer
- Charles Haefeli
- Member of Ship's Crew
- Charlie Hall
- Member of Ship's Crew
- Pat Harmon
- Gunman
- James Harrison
- Cameraman
- Eddie Hart
- Reporter
- Lew Harvey
- Gunman
- Etta Mae Henry
- Native
- Irene Henry
- Baby
- Tex Higginson
- Member of Ship's Crew / Assistant Director / Taxi Driver (uncredited)
- Earl 'Hap' Hogan
- Member of Ship's Crew
- Wesley Hopper
- Reporter
- Hazel Howell
- New Yorker
- Clifford Ingram
- Warrior
- T.C. Jack
- Member of Ship's Crew
- Jimmy James
- Member of Ship's Crew / Assistant Director (uncredited)
- Allen Jenkins
- Crew Member
- Annie L. Johnson
- Native
- John L. Johnson
- New York Theatergoer
- Harry Keaton
- Ballyhooer
- Walter Kimpton
- Member of Ship's Crew
- Walter Kirby
- Member of Ship's Crew
- Al Knight
- Warrior
- Walter Knox
- Native
- Ethan Laidlaw
- First Mate
- Sam Levine
- Member of Ship's Crew
- Vera Lewis
- New York Theatergoer
- Timothy J. Lonergan
- Police Officer
- George MacQuarrie
- Police Captain
- George Magrill
- Member of Ship's Crew
- Joe Smith Marba
- Elevated Train Motorman
- Rena Marlowe
- Native Child
- Sam Marlowe
- Warrior
- Mae Marrin
- Ballyhooer
- Henry Martin
- Warrior
- Buddy Mason
- Member of Ship's Crew
- LeRoy Mason
- New York Theatergoer
- Richie McCarew
- Member of Ship's Crew
- Etta McDaniel
- Native
- Al McDonald
- Member of Ship's Crew
- Larry McGrath
- Ballyhooer
- Frank Meredith
- Police Officer
- Frank Mills
- Reporter
- Dusty Mitchell
- Pilot
- King Mojave
- Ballyhooer
- Carlotta Monti
- New York Theatergoer
- Harry Mount
- Reporter
- Almeta Muse
- Native
- Alice Nichols
- Native
- Nim Nixon
- Native Dancer
- John Northpole
- Member of Ship's Crew
- Skeets Noyes
- Member of Ship's Crew
- G. Raymond Nye
- Police Captain
- Frank O'Connor
- Reporter
- Paddy O'Flynn
- Reporter / Cameraman (uncredited)
- Tom O'Grady
- New York Theatergoer
- Bert O'Malley
- Member of Ship's Crew
- Charles O'Malley
- Reporter
- Edward Patrick
- Native Dancer
- Gil Perkins
- Member of Ship's Crew
- Jack Perry
- Member of Ship's Crew
- Nathan Perry
- Native
- Lee Phelps
- Cameraman
- Alexander Pollard
- Lunch Counter Proprietor
- Allen Pomeroy
- Motorcycle Policeman
- Paul Porcasi
- Apple Vendor
- Mahlon Potts
- Native Child
- Malcolm Potts
- Native Child
- Russ Powell
- Watchman
- A.J. Prather
- Native
- Jack Pratt
- Radio Announcer
- Tom Quinn
- Reporter
- T.J. Rankin
- Native Dancer
- Eddy Reed
- Reporter
- Gus Robinson
- Native Dancer
- Edwin Rochelle
- Reporter
- Russ Rogers
- Pilot
- Jack Saunders
- Member of Ship's Crew
- Russell Saunders
- Reporter
- Syd Saylor
- Reporter
- Ernest B. Schoedsack
- Machine-Gunner on Plane That Kills Kong
- Charles Sewell
- Member of Ship's Crew
- Floyd Shackelford
- Warrior
- Sandra Shaw
- Woman Who Screams From Hotel Window
- Tony Shelly
- Native
- Gay Sheridan
- New York Theatergoer
- Milton Shockley
- Warrior
- Jack Silver
- Member of Ship's Crew
- Jack Smith
- Reporter
- William Solder
- Native
- Katherine Sparks
- Native
- Hugh Starkey
- Member of Ship's Crew
- Larry Steers
- New York Theatergoer
- Edward Stevens
- Reporter
- Roy Stewart
- Reporter
- Harry Strang
- Policeman at Headquarters
- Eddie Sturgis
- Ballyhooer
- Madame Sul-Te-Wan
- Native
- Charles Sullivan
- Member of Ship's Crew
- Gertrude Sutton
- Hotel Victim
- Tobias Tally
- Warrior
- Walter Taylor
- Member of Ship's Crew
- Harry Tenbrook
- Member of Ship's Crew
- Ivan Thomas
- Conductor
- Roy Thompson
- Warrior
- Jim Thorpe
- New York Theatergoer
- Earl Turman
- Warrior
- Ray Turner
- Native
- William Van Vleck
- Member of Ship's Crew
- Monte Vandergrift
- Police Officer
- Sailor Vincent
- Member of Ship's Crew
- John Wade
- Warrior
- Kid Wagner
- Member of Ship's Crew
- Harry Walker
- Member of Ship's Crew
- Wade Walker
- Native
- H.R. Warwick
- Member of Ship's Crew
- Blue Washington
- Warrior
- Charles Washington
- Warrior
- George Washington
- Warrior
- Hannah Washington
- Native Child
- Jack West
- Native
- Blackie Whiteford
- Member of Ship's Crew
- Geneva Williams
- Native
- Ivory Williams
- Warrior
- Victor Wong
- Charlie the Chinese Cook
- Eric Wood
- Pilot
- Helen Worthington
- New York Theatergoer
- Lillian Young
- New York Theatergoer
