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.
| Directing | Alfredo B. Crevenna | Director |
| Writing | Rafael García Travesí | Story |
| Writing | Rafael García Travesí | Screenplay |
| Production | Alfonso Rosas Priego | Producer |
| Sound | Antonio Díaz Conde | Original Music Composer |
| Camera | Jorge Stahl Jr. | Director of Photography |
| Editing | Alfredo Rosas Priego | Editor |
| Art | Francisco Marco Chillet | Production Design |
| Art | Adalberto López | Set Decoration |
| Costume & Make-Up | Margarita Ortega | Makeup Artist |
| Costume & Make-Up | Teresa Sánchez | Hairstylist |
| Production | Mario García Camberos | Production Manager |
| Production | José Alcalde | Unit Production Manager |
