The Mummified Werewolf
Lon Chaney Jr.
Prof. Janning
Yerye Beirute
Man in Wax Museum
Germán Valdés
Old Scientist
Jorge Mondragón
Redding's Aide
Crox Alvarado
Dr. Frederick Munson
George Mitchell André
Detective Hammond
Fred Hoffman
Ann Taylor (as Rosa Arenas)
Rosita Arenas
Dr. Edmund Redding
Ramón Gay
Henchman
Alfredo Wally Barrón
Douglas Banks
Chuck Niles
The Hired Thief
Steve Conte
Woman In Apartment (as Landa Varle)
Yolanda Varela
Director
Rafael Portillo
Writer
Juan García
Fernando de Fuentes
Gilberto Martínez Solares
Director of Photography
Raúl Martínez Solares
Jerry Warren
Alfredo Salazar
Producer
Enrique Wallace
Editor
Original Music Composer
Luis Hernández Bretón