In an unnamed Central American state on the eve of a crucial election, a young police informer working for police officer Miguel Mora bent on uncovering the shady works of popular politician Maurice Leprince is killed. However, thugs working for Leprince began to be killed one by one as well.
| Actor | Role |
|---|---|
 Fernando Fernán GómezSargento Detective Miguel Mora | Sargento Detective Miguel Mora |
 Jean ServaisMaurice Leprince | Maurice Leprince |
 Laura GranadosPilar | Pilar |
 Agustín GonzálezAntonio Ribera | Antonio Ribera |
 Antonio PrietoComisario Vargas | Comisario Vargas |
 Robert ManuelPuig | Puig |
 Maria VincentNina Laverne | Nina Laverne |
| DDina LoyJuanita | Juanita |
 Manuel GasMiralles | Miralles |
 Luis MarínManolo | Manolo |
 Ángel MenéndezJimmy | Jimmy |
| SSerafín García VázquezJuan Solano | Juan Solano |
 Jacinto San EmeterioAbogado de Leprince | Abogado de Leprince |
 Joaquín PamplonaAyudante del comisario | Ayudante del comisario |
| DDavidson HepburnChico Torres | Chico Torres |
| GGreta MarcosNot listed | Not listed |
 Antonio Jiménez EscribanoNot listed | Not listed |
| AAntonio PadillaNot listed | Not listed |
 José Luis LizaldeNot listed | Not listed |
| PPilar VelaNot listed | Not listed |
| LLola del PinoNot listed | Not listed |
 Javier de RiveraNot listed | Not listed |