A group of researchers gathering material for a magazine article on endangered wildlife encounter vampiric leopard women in the heart of the African jungle.
| Writing | Amando de Ossorio | Writer |
| Directing | Amando de Ossorio | Director |
| Art | Cruz María Baleztena | Art Direction |
| Costume & Make-Up | Francisca Guillot | Hairstylist |
| Production | Luis Laso | Executive Producer |
| Costume & Make-Up | Mercedes Guillot | Assistant Makeup Artist |
| Camera | Fernando Espiga | Camera Operator |
| Production | Ricardo Muñoz Suay | Executive Producer |
| Camera | Francisco Sánchez | Director of Photography |
| Costume & Make-Up | Miguel Sesé | Makeup Artist |
| Art | Cruz María Baleztena | Set Decoration |
| Crew | Jesús Iglesias | Special Effects |
| Directing | Marisa Ibarra | Continuity |
| Production | Modesto Pérez Redondo | Production Manager |
| Directing | I. Acarregui | Continuity |
| Editing | Antonio Ramírez de Loaysa | Editor |
| Camera | José Salvador | Still Photographer |
| Camera | Julio Burgos | Assistant Camera |
| Directing | Juan Antonio Arévalo | Assistant Director |
| Production | José Ángel Santos | Production Assistant |
| Sound | Fernando García Morcillo | Music |
