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.
Erik Estrada
as Martin Fierro
Robert Vaughn
as Sam Merrick
Alfredo Álvarez Calderón
as Ortiz
Orlando Sacha
as Folco
Reynaldo Arenas
as Paladoro
Lourdes Berninzon
as Adriana
Ramón García
as Navarro
Oswaldo Fernández
as Casals
Ramón García Ribeyro
as Andujar
Gustavo MacLennan
as Doc
Alberto Montalva
as Costa
Francisco Giraldo
as Roberto Villaverde