Neutron / Carlos Marquez
Wolf Ruvinskis
Marga
Gina Romand
Guillermo Orea
Antonio Raxel
Lobo Negro
Guillermo Hernández
Sergio Romanov
Julián de Meriche
Inspector Rivas
Rodolfo Landa
Chucho
Jesús Salinas
Dr. Van Nielsen
José Gálvez
Rebecca Núñez
Rita Macedo
Oswaldo
Rubén Rojo
Captain Julio Fuentes
Alberto Mariscal
Berta
Graciela Lara
Gaston
Nathanael León
Director
Alfredo B. Crevenna
Director of Photography
Fernando Colín
Music
Antonio Díaz Conde
Writer
Alfredo Ruanova
Producer
Emilio Gómez Muriel
Production Design
Arcadi Artis Gener
Editor
Raul J. Casso