- Rod Steiger
- Juan Miranda
- James Coburn
- John H. Mallory
- Romolo Valli
- Dr. Villega
- Maria Monti
- Woman on Stagecoach
- Rik Battaglia
- Santerna
- Franco Graziosi
- Governor Jaime
- Antoine Saint-John
- Gutierez / Col. Günther Reza (as Domingo Antoine) (as Jean Michel Antoine)
- Vivienne Chandler
- Coleen, John's Girlfriend
- David Warbeck
- Sean Nolan
- Giulio Battiferri
- Miguel
- Poldo Bendandi
- Revolutionary
- Omar Bonaro
- Revolutionary
- Roy Bosier
- Landowner on Stagecoach
- John Frederick
- American on Stagecoach
- Amato Garbini
- First Policeman on Train
- Michael Harvey
- Coachman
- Furio Meniconi
- Innkeeper
- Nazzareno Natale
- (credit only)
- Vincenzo Norvese
- Miranda Gang Member
- Stefano Oppedisano
- Revolutionary
- Memè Perlini
- Miranda's Son
- Renato Pontecchi
- Pepe
- Goffredo Pistoni
- Miranda's Father
- Jean Rougeul
- Priest on Stagecoach
- Corrado Solari
- Napoleon
- Rosita Torosh
- (credit only)
- Antonio Casale
- Notary on Stagecoach
- Florencio Amarilla
- Revolutionary
- Salvatore Basile
- Santerna's Man
- Sergio Calderón
- Revolutionary
- Tony Casale
- Mesa Verde Bank Prisoner
- Simon van Collem
- Conductor
- Alberigo Donadeo
- Santerna's Man
- Paolo Figlia
- Soldier in Mesa Verde Bank
- Claudio Mancini
- Mexican Army Captain
- Romano Milani
- Mesa Verde Bank Prisoner
- Antonio Montoya
- Miranda's Gang Member with Dynamite
- Riccardo Pizzuti
- Santerna's Man
- Aldo Sambrell
- Mexican Officer
- Felecia Sanda
- Girl
- Luigi Tripodi
- Revolutionary