Fiero is hired to assassinate the newly-elected civilian president of San Pedro. His employers are a group of generals, threatened by the liberal sympathies of the new president-elect. The generals, having killed Fiero's father years ago, trick Fiero into thinking he is working for the leftist People's Party. Meanwhile, a CIA agent is sent stop to the assassination. It's a race against time as the agent must stop the HOUR OF THE ASSASSIN.
| Actor | Role |
|---|---|
 Erik EstradaMartin Fierro | Martin Fierro |
 Robert VaughnSam Merrick | Sam Merrick |
 Alfredo Álvarez CalderónOrtiz | Ortiz |
| OOrlando SachaFolco | Folco |
 Reynaldo ArenasPaladoro | Paladoro |
| LLourdes BerninzonAdriana | Adriana |
 Ramón GarcíaNavarro | Navarro |
| OOswaldo FernándezCasals | Casals |
| RRamón García RibeyroAndujar | Andujar |
| GGustavo MacLennanDoc | Doc |
| AAlberto MontalvaCosta | Costa |
| FFrancisco GiraldoRoberto Villaverde | Roberto Villaverde |
| EEstela ParedesPaladoro's Wife | Paladoro's Wife |
 Javier SolísMarcelo | Marcelo |
| FFranjo AntichTough Kid Motorbike | Tough Kid Motorbike |
| BBaldomero CáceresTough Kid Castilla | Tough Kid Castilla |
| MMaria Teresa GagodorcaLuisa | Luisa |
| GGerman ParedesSantiago | Santiago |