"A young woman, Jill Young, grew up on her father's ranch in Africa, raising a large gorilla named Joe from an infant. Years later, she brings him to Hollywood to become a star."
Terry Moore
as Jill Young
Ben Johnson
as Gregg Johnson
Robert Armstrong
as Max O'Hara
Frank McHugh
as Windy
Douglas Fowley
as Jones
Denis Greene
as Crawford
Paul Guilfoyle
as Smith
Nestor Paiva
as Brown
Regis Toomey
as John Young
Lora Lee Michel
as Jill (as a child)
James Flavin
as Schultz
Mary Field
as Secretary (uncredited)
Ellen Corby
as Orphanage matron (uncredited)
Bess Flowers
as Nightclub patron (uncredited)
Iris Adrian
as Gloria (uncredited)
Jack Pennick
as Sam (uncredited)
Joyce Compton
as Alice (uncredited)
Byron Foulger
as Jones (uncredited)
Addison Richards
as Attorney (uncredited)
Henry Kulky
as Strong Man (uncredited)
Dwayne Hickman
as Boy (uncredited)
Richard Farnsworth
as Cowboy (uncredited)
Charles Lane
as Producer (uncredited)
Kermit Maynard
as Red (uncredited)
Irene Ryan
as Southern Belle at the Bar (uncredited)
William Schallert
as Gas Station Attendant (uncredited)
Fay Wray
as Woman's Scream (uncredited)
Ivan Rasputin
as Strongman (uncredited)
Harry Strang
as Policeman with Tramp (uncredited)
William 'Wee Willie' Davis
Robert Tafur
as Headwaiter (uncredited)
Archie Twitchell
as Reporter
Jacqueline Dalya
as Nightclub Dancer (uncredited)
Sammy Menacker
as Strong Man
Herschel Graham
as Nightclub Patron (uncredited)
Madame Sul-Te-Wan
as Young Family Servant (Uncredited)
Ernest B. Schoedsack
Director
Merian C. Cooper
Story
Ruth Rose
Screenplay
Producer
John Ford
Executive Producer
J. Roy Hunt
Director of Photography
Ted Cheesman
Editor
Roy Webb
Original Music Composer
Ray Harryhausen
Visual Effects
Mel Berns
Makeup Artist
James Basevi
Art Direction
Howard Richmond
Assistant Art Director
Walter Elliott
Sound Editor
C. Bakaleinikoff
Music Director
Adele Balkan
Costume Design
John L. Cass
Sound
Clem Portman
Harold E. Stine
Bert Willis
Linwood G. Dunn
Willis H. O'Brien