Reparto y equipo

Sergio Sollima

Gian Maria Volonté Professor Brett Fletcher

Tomas Milian Solomon 'Beauregard' Bennet

William Berger Charley Siringo

Jolanda Modio Maria

Gianni Rizzo Williams

Carole André Cattle Annie

Ángel del Pozo Maximilian de Winton

Aldo Sambrell Zachary Shawn

Nello Pazzafini Vance

José Torres Aaron Chase

Linda Veras Cathy, Fletcher's Mistress

Antonio Casas Leading Citizen of Puerto del Fuego

Frank Braña Jason

Guy Heron Sheriff at de Winton Estate

Lorenzo Robledo Wallace

Alberto Grimaldi

Arturo González

Ennio Morricone

Rafael Pacheco

Eugenio Alabiso