Ramón Gay as Dr. Eduardo Almada

Rosita Arenas as Flor Almada / Xochitl

Crox Alvarado as Pinacate

Luis Aceves Castañeda as Dr. Krupp

Jorge Mondragón as Dr. Sepúlveda

Arturo Martínez as Tierno

Emma Roldán as Maria, the housekeeper

Julián de Meriche as Comandante

Salvador Lozano as

Jaime González Quiñones as Pepe Almada

Ángel Di Stefani as Popoca, the Mummy

Adolfo Sánchez de Rojas as The Human Robot