Dr. Eduardo Almada
Ramón Gay
Flor Sepúlveda
Rosita Arenas
Pepe Almada
Jaime González Quiñones
Popoca
Ángel Di Stefani
El Murciélago
Jesús "Murciélago" Velázquez
Esbirro del Murciélago
Enrique Llanes
Lobo
Guillermo Hernández
Dr. Krupp
Luis Aceves Castañeda
Pinacate
Crox Alvarado
Criada
Emma Roldán
Doctor conferencia
Julián de Meriche
Aztec Chanteuse
Estela Inda
Dr. Sepúlveda
Jorge Mondragón
Tierno
Arturo Martínez
Doctor Rios
Salvador Lozano
Director
Rafael Portillo
Original Story
Guillermo Calderón
Producer
Editor
Jorge Busto
Director of Photography
Enrique Wallace
Original Music Composer
Antonio Díaz Conde
Unit Production Manager
José Alcalde
Production Design
Javier Torres Torija
Makeup Artist
Carmen Palomino
Adaptation
Alfredo Salazar
Production Manager
Luis García de León