Trailer
 | Víctor Valverde as Inspector Andrés Bellido |
 | Patricia Luján as Monique |
 | José María Oviés as Comisario Mendoza |
 | Sonia Bruno as Gisella |
 | Florencio Calpe as Bruno Casavanti |
 | Fernando León as Renato Baldi |
 | Ángel Lombarte as Jacky |
| Luis del Pueblo as Dueño de la pensión |
| Fernando Rubio as Mario |
| Miquel Graneri as Oscar |
| Camino Delgado as Señora en ventana |
| Gaspar 'Indio' González as Miembro del Trío Lux |
| Gonzalo Medel as Dr. Valcárcel |
| Antonio Piñeiro |
| Montserrat Porta as Sofía |
| Juan Aymerich as Miembro del Patronato |
| Francisco Tuset as Analista del laboratorio |
| Manuel Bronchud as Policía |
| José María Cases as Inspector comisaría de Universidad |
| Juan Monfort as Forense |
| Alejo del Peral as Cartero |
| Miguel Muniesa as Funcionario del puerto |
| José Campos Alós |
| Eduardo Lizarza |
| José Rivelles as Policía que examina ficha de Sandro Battaglia |
| Juan Manuel Simón as Miembro del Patronato |
| Matías Ferret |
 | Víctor Israel as Miembro del Patronato (uncredited) |
| Joaquín Navales as Juan Veiga García (uncredited) |
| Directing | |
| Josep Maria Forn | Director |
Costume & Make-Up | |
| Manuel Manteca | Makeup Artist |
Production | |
| Juliana San José de la Fuente | Line Producer |
| Antonio Liza | Production Manager |
Art | |
| Andrés Vallvé | Set Decoration |
Production | |
| Rafael Barasona | Production Assistant |
Editing | |
| Juan Luis Oliver | Editor |
Directing | |
| Jaime Jesús Balcázar | Script Supervisor |
Camera | |
| Ricardo Albiñana | Director of Photography |
Writing | |
| José Antonio de la Loma | Screenplay |
Sound | |
| Miguel Sitges | Sound Engineer |
Costume & Make-Up | |
| Manuel Tronxo | Assistant Makeup Artist |
Sound | |
| Enrique Escobar | Music |
Camera | |
| Santiago Rodríguez | Assistant Camera |
| Julio Pérez de Rozas | Camera Operator |
Editing | |
| Maricel Bautista | Assistant Editor |
Directing | |
| Juan Gabriel Tharrats | Assistant Director |
Art | |
| José Rovira | Construction Coordinator |
| Ginés Rodríguez | Property Master |
