Buster Crabbe
Kaspa
Frances Dee
Ann Rogers
Sidney Toler
Neil Forbes
Nydia Westman
Sue
Robert Barrat
Joe Nolan
Irving Pichel
Corey
Douglass Dumbrille
Ed Peters
Sam Baker
Gwana
Patricia Farley
Kitty
Ronnie Cosby
Kaspa, aged 3
Robert Adair
John C. Knolls (uncredited)
Thomas Amos
Bit Role (uncredited)
Florence Britton
Mrs. Edith Knolls (uncredited)
Don Brodie
Reporter (uncredited)
Leonard Carey
Clerk at Hunting License Bureau (uncredited)
Nora Cecil
Spinster in park (uncredited)
William R. Dunn
Bit Role (uncredited)
Harold Farley
Bit Role (uncredited)
Sam Farrell
Bit Role (uncredited)
William J. Kelly
Government Inspector (uncredited)
Fred Kelsey
Cop (uncredited)
Edward LeSaint
Policeman (uncredited)
Tom London
Lion Attendant (uncredited)
Lee Phelps
Customs Inspector (uncredited)
F.M. Pitts
Bit Role (uncredited)
Warner Richmond
Gus (uncredited)
Mabel Stark
Spinster in park (uncredited)
Harry Strang
Lion Attendant (uncredited)
Phil Tead
Reporter (uncredited)
George Turner
Bit Role (uncredited)
Charles Thurley Stoneham
Novel
Gordon Jennings
Special Effects
E. Lloyd Sheldon
Associate Producer
Max Marcin
Adaptation
Max Marcin
Director
H. Bruce Humberstone
Director
Philip Wylie
Screenplay
Fred Niblo Jr.
Screenplay
Mel Ballerino
Casting
John Leipold
Original Music Composer
Harry D. Mills
Sound
Herman Hand
Original Music Composer
Jules White
Assistant Director
Mabel Stark
Stunts
Ernest Haller
Director of Photography
Fred A. Datig
Casting
Rudolph G. Kopp
Original Music Composer