Elenco
Lon Chaney Jr.
The Mummified Werewolf
Yerye Beirute
Prof. Janning
George Mitchell André
Dr. Frederick Munson
Fred Hoffman
Detective Hammond
Rosita Arenas
Ann Taylor (as Rosa Arenas)
Ramón Gay
Dr. Edmund Redding
Alfredo Wally Barrón
Henchman
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
Equipe
Gilberto Martínez Solares
Writer
Jerry Warren
Writer
Fernando de Fuentes
Writer
Alfredo Salazar
Writer
Gilberto Martínez Solares
Director
Jerry Warren
Director
Jerry Warren
Producer
Raúl Martínez Solares
Director of Photography
Enrique Wallace
Director of Photography
Rafael Portillo
Director
Jerry Warren
Editor
Luis Hernández Bretón
Original Music Composer
Juan García
Writer