Joaquín Cordero as Jaime Rojas / Orlak

Andrés Soler as Prof. Frankenstein

Armando Calvo as Insp. Santos

Irma Dorantes as Elvira Davalos

Carlos Ancira as Eric

Rosa de Castilla as Estela

Pedro de Aguillón as Det. Vidal

David Reynoso as Gaston

Antonio Raxel as Judge Davalos

Armando Gutiérrez as Warden

Carlos Nieto as Gabino, former partner

Julián de Meriche as Victor