Three married couples gather to celebrate the eighteenth anniversary of their marriage mourning the absence of a friend who was best man at all three weddings.
| Actor | Role |
|---|---|
 Arturo de CórdovaGustavo Ferran | Gustavo Ferran |
 Laura HidalgoAda | Ada |
 MiroslavaLeopoldina | Leopoldina |
 José María Linares RivasJavier | Javier |
 René CardonaJorge | Jorge |
 José Elías MorenoMáximo | Máximo |
 Consuelo FrankGenoveva | Genoveva |
 Alma Delia FuentesClara | Clara |
| AArmando SáenzLuciano | Luciano |
 Arturo Soto RangelFrancisco | Francisco |
| LLidia FrancoSirvienta (uncredited) | Sirvienta (uncredited) |
 Francisco JambrinaDoctor (uncredited) | Doctor (uncredited) |
| CCecilia LegerMujer en aeropuerto (uncredited) | Mujer en aeropuerto (uncredited) |