"The great love of his life" happened five times; one of those women just wrote him a letter. Which one will it be?
| Directing | Gilberto Martínez Solares | Director |
| Editing | Jorge Busto | Editor |
| Writing | Sixto Pondal Ríos | Adaptation |
| Writing | Carlos Olivari | Adaptation |
| Production | Salvador Elizondo | Producer |
| Camera | Agustín Martínez Solares | Director of Photography |
| Sound | Eduardo Hernández Moncada | Original Music Composer |
| Writing | Yolanda Vargas Dulché | Story |
| Art | José Llamas | Set Decoration |
| Art | Jorge Fernández | Art Direction |