Trailer
 | António Vilar as Henrique |
 | Mara Cruz as Olga |
 | Paul Naschy as Sergio Meletes |
 | Carlos José Teixeira as Inspector Pratas |
 | Magdalena de Soto as Vera |
 | Ramón Centenero as Quinis |
| Rebeca Reyes as Erika |
 | Carlos Romero Marchent as Luís |
 | María Elena Arpón as Mónica |
 | María Kosty as Helen |
 | Antonio Casas as Don Ricardo |
 | Hugo Blanco as Jorge |
 | Eduardo Calvo as Sandro |
 | Beni Deus as Comisario |
| Luís Tito |
 | Madalena Sotto as Vera |
 | Victor de Sousa as Boy at the nightclub (uncredited) |
| Writing | |
| Paul Naschy | Story |
Production | |
| António Vilar | Producer |
Camera | |
| Miguel Fernández Mila | Director of Photography |
Directing | |
| Rafael Romero Marchent | Director |
Sound | |
| Antón García Abril | Original Music Composer |
Writing | |
| António Vilar | Screenplay |
| Paul Naschy | Screenplay |
