Two wrestling stars must investigate strange deaths and a secret criminal organization led by a madman who becomes invisible.
| Directing | Alfredo B. Crevenna | Director |
| Directing | Tito Novaro | Director |
| Writing | Emilio Gómez Muriel | Writer |
| Writing | Alfredo Ruanova | Writer |
| Production | Emilio Gómez Muriel | Producer |
| Sound | Antonio Díaz Conde | Original Music Composer |
| Crew | Fernando Colín | Cinematography |
| Editing | Raul J. Casso | Editor |
| Art | Arcadi Artis Gener | Art Direction |
| Art | Fernando Solórzano | Set Decoration |
| Costume & Make-Up | Guadalupe Beltrán | Hairstylist |
| Costume & Make-Up | Virginia Campos | Hairstylist |
| Costume & Make-Up | Graciela Muñoz | Makeup Artist |