Cast
Fernando Casanova
Dr. Malthus/Gonzalo Malthus
Sonia Furió
Rosa
Rosa Maria Gallardo
Última raptada
Guillermo Cramer
Inspector de policía
AA
Aurora Alvarado
Luisa
JJMC
Juan José Martínez Casado
Alcaide
Pedro de Aguillón
Capellán
GBS
Guillermo Bravo Sosa
Remigio (uncredited)
EE
Edmundo Espino
Antonio (uncredited)
AV
Armando Velasco
Tío de Rosa (uncredited)
Crew
José María Fernández Unsáin
Writing
CSG
César Santos Galindo
Production
GCC
Gustavo César Carrión
Sound
FC
Fernando Cortés
Writing
ARP
Alfredo Rosas Priego
Editing
Alfredo Ripstein Jr.
Production
AM
Armando Meyer
Costume & Make-Up
EG
Esperanza Gómez
Costume & Make-Up
RS
Rafael Suárez
Art
Alfredo Varela
Writing
JMR
Juan Muñoz Ravelo
Crew
GG
Gunther Gerszo
Art
JOR
José Ortiz Ramos
Camera
GG
Gunther Gerszo
Art
H.P. Lovecraft
Writing
FC
Fernando Cortés
Directing
