William Nigh
Director
Richard Carroll
Screenplay
Harry Neumann
Director of Photography
Curt Siodmak
Screenplay
Curt Siodmak
Adaptation
Russell F. Schoengarth
Editor
Charles J. Bigelow
Production Manager
Edward J. Kay
Original Music Composer
Gordon Bau
Makeup Artist
William T. Lackey
Associate Producer
Allen K. Wood
Assistant Director
Edward J. Kay
Music Director
Karl Zint
Sound Recordist
Adam Shirk
Theatre Play
Boris Karloff
Dr. Bernard Adrian
Maris Wrixon
Frances Clifford
Gene O'Donnell
Danny Foster
Dorothy Vaughan
Mother Clifford
Henry Hall
Sheriff Jeff Halliday
Selmer Jackson
Dr. McNulty
Gertrude Hoffmann
Jane the Housekeeper
Jessie Arnold
Mrs. Brill
Billy Bletcher
Short Mustached Posse Man
Harry C. Bradley
Quinn
George Cleveland
Mr. Howley
Ray Corrigan
Nabu
Pauline Drake
Young Girl
Mary Field
Mrs. Mason
Gibson Gowland
Posse Member
Julia Griffith
Townswoman
I. Stanford Jolley
Ape Trainer
Stan Jolley
Boy in Soda Shop
Jack Kennedy
Dep. Archie Tomlin
Donald Kerr
Citizen Carrying Mauled Ape Trainer
Philo McCullough
Henry Mason
Buddy Swan
Willie Brill
Minerva Urecal
Townswoman
