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
Rossella D'Aquino
Sandy / Sally
Giovanni Ivan Scratuglia
Taylor Henchman
Lidia Alfonsi
Belle de Winton
Federico Boido
Purgatory City Sheriff (uncredited)
Calisto Calisti
Willow Creek Sheriff (uncredited)
Remo Capitani
Taylor Henchman (uncredited)
Antonella Della Porta
Elizabeth Wilkins (uncredited)
Vera Drudi
Mrs. Watson / Mrs. Lee (uncredited)
Andrea Fantasia
Gang Member (uncredited)
Antonio Gradoli
Carson, Silvertown Sheriff (uncredited)
John Karlsen
University Dean (uncredited)
Guillermo Méndez
Man at Puerto del Fuego (uncredited)
Fulvio Mingozzi
Bank Customer (uncredited)
Gastone Moschin
Man at Puerto del Fuego (uncredited)
Joaquín Parra
Deputy at Way Station (uncredited)
Osiride Pevarello
Willow Creek Blacksmith (uncredited)
Renzo Pevarello
Gang Member (uncredited)
Lorenzo Robledo
Wallace (uncredited)
Alfonso Rojas
Sheriff Who Convoys Bennet (uncredited)
Francisco Sanz
Rusty Rogers (uncredited)
Guglielmo Spoletini
Deputy at Way Station (uncredited)
John Stacy
Sam Taylor (uncredited)
Gérard Tichy
Silvertown Mayor (uncredited)
Goffredo Unger
Purgatory City Deputy (uncredited)
José Luis Zalde
Way Station Innkeeper (uncredited)
Rinaldo Zamperla
Gang Member (uncredited)