Lon Chaney Jr.

The Mummified Werewolf

Germán Valdés

Casimiro

Yolanda Varela

Paquita

Yerye Beirute

Professor Sebastian

Alfredo Wally Barrón

Nacho

Agustín Fernández

Rito

Óscar Ortiz de Pinedo

Dr. Lorenzo Salazar

Consuelo Guerrero de Luna

Dr. Salazar's Patient

Rafael Estrada

Professor Estrada