Female aliens (in bikinis!) arrive from the galaxy Epsilon Eridani and establish a laboratory in an old Spanish castle in order to make zombie robots from human corpses to do their evil bidding.
| Directing | Silvio F. Balbuena | Director |
| Writing | José Luis Navarro | Writer |
| Sound | Manuel Moreno Buendía | Music |
| Camera | Alfonso Nieva | Director of Photography |
| Editing | María Luisa Soriano | Editor |
| Costume & Make-Up | Ángeles Echevarría | Assistant Makeup Artist |
| Costume & Make-Up | Paloma Fernández Olea | Makeup Artist |
| Costume & Make-Up | Mercedes Paradela | Hairstylist |
| Production | Francisco Javier Carmona Luna | Production Manager |
| Sound | Antonio Raposo | Sound Effects |
| Crew | Manuel Arias | Special Effects |
| Camera | Fernando Guillot | Camera Operator |
| Camera | Miguel Guzmán | Still Photographer |
| Camera | Luis Muñoz Alcolea | Assistant Camera |
| Lighting | Roberto Navarro | Electrician |
| Editing | Luis Álvarez | Assistant Editor |
| Sound | Alberto Navarrete | Music Editor |
| Directing | Blanca Astiasu | Script Supervisor |
| Sound | Luis Gutiérrez | Sound Editor |