Martin, a frustrated lawyer who sells perfumes, is reunited with Robert, an old, bright fellow student, and falls in love with his wife. One night Robert enlists the help of Martin, because he believes he has killed a man who was about her lover. Martin sees an opportunity ...
| Actor | Role |
|---|---|
 Raf ValloneMartín Jordán | Martín Jordán |
 Elena VarziBerta | Berta |
 Julio PeñaRoberto Ayala | Roberto Ayala |
 Fernando Fernán GómezAgente Díaz (as Fernando Fernán-Gómez) | Agente Díaz (as Fernando Fernán-Gómez) |
 Emma PenellaLola | Lola |
 Félix DafauceComisario Ozalla | Comisario Ozalla |
| GGaspar CamposConserje | Conserje |
 Aníbal VelaComisario principal | Comisario principal |
 Fernando SanchoComensal irascible | Comensal irascible |
 Carlos Díaz de MendozaPrestamista | Prestamista |
 Antonio RiquelmeSereno | Sereno |
 Beni DeusEncargado del Café Gijón | Encargado del Café Gijón |
 Julia PacheloBibliotecaria | Bibliotecaria |
 Juana MansóEncargada del teléfono | Encargada del teléfono |
 Francisco BernalGuía de El Escorial | Guía de El Escorial |
| JJosé CuencaNot listed | Not listed |
 Alberto BovéNot listed | Not listed |
| MMaite de la GuíaNot listed | Not listed |