Gian Maria Volonté as Gregorio

Diana Bracho as Luisa

Patricia Reyes Spíndola as Rosa

Salvador Sánchez as Sebastián

Claudio Obregón as Troncoso

Julián Pastor as Weber

Silvia Mariscal as Margarita

José Carlos Ruiz as Argandoña

Ernesto Gómez Cruz as Crisculo

Eduardo López Rojas as Domingo Soto

Arturo Beristáin as Young Worker

Francisco Morayta as Professor

Armando Acosta as Sergeant

Patricio Castillo as Lt. Gainza

Alejandro Parodi as Espinoza

Arthur Nations as Mr. Jones

Gabriel Retes as Soldier

Margarito Luna as Old Trooper

Max Kerlow as Engineer

Jorge Santoyo as Machinist

Guillermo Gil as Calameño