Dr. Moreau
Charles Laughton
Edward Parker
Richard Arlen
Consul
George Irving
Undetermined Role (uncredited)
Jack Bardette
Evangelus Berbas
Beast (uncredited)
Joe Bonomo
Pig Man - a Little Beast (uncredited)
Buster Brodie
Jacob Dance
Seaman (uncredited)
James Dime
Gola (uncredited)
Harry Ekezian
Gorilla on Pier (uncredited)
Charles Gemora
John George
Ruth Thomas
Leila Hyams
Samoan Girl (uncredited)
Rosemary Grimes
Robert P. Kerr
Mr. Hogan (uncredited)
Bob Kortman
Robert Milasch
Constantine Romanoff
Furry Manimal (uncredited)
Schlitzie
Jack Walters
Duke York
The Sayer of the Law
Bela Lugosi
Lota the Panther Woman
Kathleen Burke
Montgomery
Arthur Hohl
Capt. Davies
Stanley Fields
Capt. Donahue
Paul Hurst
Ouran
Hans Steinke
M`ling
Tetsu Komai
Screenplay
Waldemar Young
Makeup Artist
Wally Westmore
Producer
Erle C. Kenton
Director
Sound Re-Recording Mixer
Loren L. Ryder
Director of Photography
Karl Struss
Stunts
Novel
H.G. Wells
Philip Wylie
Music
Arthur Johnston
Sigmund Krumgold
Art Direction
Hans Dreier