 | Alberto Closas als Mario / Juan Alcover |
 | Arturo Fernández als Gerardo García |
 | Jesús Colomer als David |
 | Carlos Mendy als Andrés |
| Linda Chacón als Tina |
| Montserrat Salvador als Marta |
 | Pedro de Cordoba als Miguel Carmona |
 | Carlos Otero |
 | Josefina Güell |
 | José María Caffarel als Cómplice |
| Julio Coll | Director |
| Julio Coll | Screenplay |
| Julio Coll | Adaptation |
| José Germán Huici | Writer |
| Jorge Illa | Writer |
| Xavier Montsalvatge | Music |
| Salvador Torres Garriga | Cinematography |
| Emilio Rodríguez | Editor |
| Juan Alberto Soler | Set Decoration |
| Práxedes Martínez | Makeup Artist |
| Amparo Primo | Assistant Makeup Artist |
| Rosa Bargués de Coll | Production Manager |
| Jesús Castro Blanco | Production Manager |
| Marcelino Riba-Abizanda | Assistant Production Manager |
| Enrique Sau | Production Manager |
| Ramón Miró | Property Master |
| Enrique de la Riva | Sound Technical Supervisor |
| Milton Stefani | Camera Operator |
| Jesús Teixidó | Still Photographer |
| Encarna Rodríguez | Wardrobe Designer |
| Ángeles Pruña | Assistant Editor |
| Paquita Vilanova | Production Secretary |
