Calificación
Reparto

Boris Karloff
Prof. John Mayer

Enrique Guzmán
Dr. Paul Rosten

Christa Linder
Laura

Maura Monti
Dr. Isabel Reed

Yerye Beirute
Thomas

Tere Valez
Nancy

Griselda Mejía
Prostitute

Sergio Kleiner
Alien

Mariela Flores
Deaf-mute victim

Tito Novaro
Gen. Nord

Sergio Virel
Villager

Nathanael León
Villager

Carlos León
Villager

Rosángela Balbó
Martha - mayor's wife

Julián de Meriche
Visiting Dignitary