Director
William Nigh
DIRECTOR
Writer
Adam Shirk
WRITER
Curt Siodmak
Richard Carroll
Stars (in credits order)
Boris Karloff
Dr. Bernard Adrian
Maris Wrixon
Miss Frances Clifford
Gene O'Donnell
Danny Foster
Dorothy Vaughan
Mother Clifford
Gertrude Hoffman
Jane - Adrian's Housekeeper
Henry Hall
Sheriff Jeff Halliday
Selmer Jackson
Dr. McNulty
Jessie Arnold
Mrs. Brill (uncredited)
Billy Bletcher
Short Mustached Posse Man (uncredited)
Harry C. Bradley
Quinn (uncredited)
George Cleveland
Mr. Howley (uncredited)
Ray Corrigan
Nabu the Gorilla (uncredited)
Pauline Drake
Young Girl (uncredited)
Mary Field
Mrs. Mason (uncredited)
Gibson Gowland
Posse Member (uncredited)
Julia Griffith
Townswoman (uncredited)
I. Stanford Jolley
Ape Trainer (uncredited)
Stan Jolley
Boy in Soda Shop (uncredited)
Jack Kennedy
Dep. Archie Tomlin (uncredited)
Donald Kerr
Citizen Carrying Mauled Ape Trainer (uncredited)
Philo McCullough
Henry Mason (uncredited)
Buddy Swan
Willie Brill (uncredited)
Minerva Urecal
