In Segovia at the beginning of the thirties the hoarder widower and Marcos must be prudent but has relations with the sterile prostitute Mercedes every week.
| Directing | Roberto Gavaldón | Director |
| Writing | Lázaro Irazábal | Screenplay |
| Writing | Lázaro Irazábal | Story |
| Writing | Juan José Porto | Screenplay |
| Writing | Juan José Porto | Story |
| Sound | Juan Solano | Music |
| Camera | Manuel Rojas | Director of Photography |
| Art | Wolfgang Burmann | Set Decoration |
| Costume & Make-Up | Concepción Cano | Hairstylist |
| Production | Ángel Parrondo | Production Manager |
| Directing | Martín Sacristán | Assistant Director |