Boris Karloff
Dr. Bernard Adrian
Acting
Maris Wrixon
Frances Clifford
Acting
Gene O'Donnell
Danny Foster
Acting
Dorothy Vaughan
Mother Clifford
Acting
Henry Hall
Sheriff Jeff Halliday
Acting
Selmer Jackson
Dr. McNulty
Acting
Gertrude Hoffmann
Jane the Housekeeper
Acting
Jessie Arnold
Mrs. Brill
Acting
Billy Bletcher
Short Mustached Posse Man
Acting
Harry C. Bradley
Quinn
Acting
George Cleveland
Mr. Howley
Acting
Ray Corrigan
Nabu
Acting
Pauline Drake
Young Girl
Acting
Mary Field
Mrs. Mason
Acting
Gibson Gowland
Posse Member
Acting
Julia Griffith
Townswoman
Acting
I. Stanford Jolley
Ape Trainer
Acting
Stan Jolley
Boy in Soda Shop
Art
Jack Kennedy
Dep. Archie Tomlin
Acting
Donald Kerr
Citizen Carrying Mauled Ape Trainer
Acting
Philo McCullough
Henry Mason
Acting
Buddy Swan
Willie Brill
Acting
Minerva Urecal
Townswoman
Acting