Cast
Bela Lugosi
Dr. James Brewster
Louise Currie
Billie Mason
Wallace Ford
Jeff Carter
Henry Hall
Dr. George Randall
Minerva Urecal
Agatha Brewster
Emil Van Horn
The Ape
J. Farrell MacDonald
(1875–1952)
Captain O'Brien
Wheeler Oakman
Brady
Ralph Littlefield
Zippo
Jack Mulhall
Reporter
Charles Jordan
O'Toole
Charlie Hall
Barney
Directing
William Beaudine
Director
Arthur Hammond
Assistant Director
Writing
Karl Brown
Story
Art
Dave Milton
Art Direction
Camera
Mack Stengler
Director of Photography
Production
Barney A. Sarecky
Associate Producer
Jack Dietz
Producer
Sam Katzman
Producer
Editing
Carl Pierson
Editor
Sound
Glen Glenn
Sound