On screen
Cast
14 credited performers
Wolf Ruvinskis
Neutron / Carlos Marquez
Gina Romand
Marga
Rodolfo Landa
Inspector Rivas
Artwork unavailable
Jesús Salinas
Chucho
José Gálvez
Dr. Van Nielsen
Rita Macedo
Rebecca Núñez
Rubén Rojo
Oswaldo
Alberto Mariscal
Captain Julio Fuentes
Artwork unavailable
Graciela Lara
Berta
Nathanael León
Gaston
Guillermo Orea
Character not listed
Antonio Raxel
Character not listed
Artwork unavailable
Guillermo Hernández
Lobo Negro
Julián de Meriche
Sergio Romanov