Ramón Gay as Dr. Eduardo Almada

Rosita Arenas as Flor Sepúlveda

Luis Aceves Castañeda as Dr. Krupp

Crox Alvarado as Pinacate

Emma Roldán as Criada

Julián de Meriche as Doctor conferencia

Estela Inda as Aztec Chanteuse

Jorge Mondragón as Dr. Sepúlveda

Arturo Martínez as Tierno

Salvador Lozano as Doctor Rios

Jaime González Quiñones as Pepe Almada

Ángel Di Stefani as Popoca

Jesús "Murciélago" Velázquez as El Murciélago

Enrique Llanes as Esbirro del Murciélago

Guillermo Hernández as Lobo