On screen
Cast
13 credited performers
Lon Chaney Jr.
The Mummified Werewolf
Yerye Beirute
Prof. Janning
Artwork unavailable
George Mitchell André
Dr. Frederick Munson
Artwork unavailable
Fred Hoffman
Detective Hammond
Rosita Arenas
Ann Taylor (as Rosa Arenas)
Ramón Gay
Dr. Edmund Redding
Alfredo Wally Barrón
Henchman
Artwork unavailable
Chuck Niles
Douglas Banks
Steve Conte
The Hired Thief
Yolanda Varela
Woman In Apartment (as Landa Varle)
Germán Valdés
Man in Wax Museum
Jorge Mondragón
Old Scientist
Crox Alvarado
Redding's Aide