In this Mexican sci-fi fantasy, big beefy Martians invade the earth. Ostensibly, they have come to warn people about the dangers of nuclear testing and exploring space, but their real mission becomes manifest when they begin using their special powers and gadgets to exploit weak earthlings.

• Producciones Cinematográficas S.A.
• El Santo
• Wolf Ruvinskis
• Ignacio Gómez "El Nazi"
• Beny Galán
• Ham Lee
• Eduardo Bonada
• Antonio Montoro
• Maura Monti