Director/a
William Beaudine
DIRECTOR/A
Reparto (por orden de créditos)
Bela Lugosi
Dr. James Brewster
Louise Currie
Billie Mason
Wallace Ford
Jeff B. Carter
Henry Hall
Dr. George Randall
Minerva Urecal
Agatha Brewster
Emil Van Horn
The Ape
J. Farrell MacDonald
Police Capt. O'Brien
Wheeler Oakman
Police Detective Brady
Ralph Littlefield
Zippo
Jack Mulhall
Reporter
Charles Jordan
Police Detective O'Toole
Ernest Morrison
Copyboy
Charlie Hall
Barney - Photographeruncredited
George Kirby
Townsend - Butleruncredited
Ray Miller
Police Detectiveuncredited
William Ruhl
Martin - Editoruncredited