Peter Graves as Dutchman

Bud Spencer as Mesito

James Daly as Capt. Nicolas Augustus

Nino Castelnuovo as Luis Dominguez

Tetsuro Tamba as Samurai

Claudio Gora as Manuel Esteban

Daniela Giordano as Maria

Annabella Andreoli as Perla the Mexican girl

Carlo Alighiero as Capt. Gutierrez

Giacomo Rossi Stuart as One of Gutierrez' Officers

Dan Sturkie as Carnival Barker

José Torres as Mexican Spy

Marino Masé as Railroad Man

Luigi Bonos as Priest (uncredited)

Omero Capanna as Mexican Soldier (uncredited)

Bruno Ariè as Mexican Soldier (uncredited)

Paolo Figlia as Mexican Soldier (uncredited)

Franco Pasquetto as Mexican Soldier (uncredited)

Angelo Susani as Mexican Soldier (uncredited)

Franco Ukmar as Mexican Soldier (uncredited)

Sergio Ukmar as Mexican Soldier (uncredited)

Pietro Torrisi as Mexican Officer (uncredited)

Artemio Antonini as Prison Warden (uncredited)

Fortunato Arena as Execution Squad Commander (uncredited)

Adriana Bruno as Woman at Execution (uncredited)

Lina Franchi as Woman at Execution (uncredited)

Alba Maiolini as Woman at Execution (uncredited)

Alberigo Donadeo as Onlooker at Hanging (uncredited)

Dante Cleri as Pueblo Mayor (uncredited)

Gildo Di Marco as Mexican in Back of Carriage (uncredited)

Antonio Monselesan as Safety Precaution Officer (uncredited)

Osiride Pevarello as Full-Bearded Singing Mexican (uncredited)

Don Taylor as Poker Player (uncredited)

Steffen Zacharias as Poker Player (uncredited)