Franco Nero as Sergei Kowalski, The Polish

Tony Musante as Paco Roman

Jack Palance as Ricciolo ("Curly")

Giovanna Ralli as Columba

Franco Giacobini as Pepote

Eduardo Fajardo as Alfonso García

Franco Ressel as Studs

Álvaro de Luna as Ramon

Raf Baldassarre as Mateo

Joe Kamel as Sebastian

Lorenzo Robledo as Officer

Ugo Adinolfi as

José María Aguinaco as Ramirez

Simón Arriaga as Simón

José Canalejas as Lerkin

Juan Cazalilla as Mayor

Remo De Angelis as Hudo

Alejandro de Enciso as Juan

Tito García as Garcia's Cousin (uncredited)

A. Jiménez Castellanos as (uncredited)

Guillermo Méndez as Captain (uncredited)

Enrique Navarro as Notary (uncredited)

Francisco Nieto as Antonio (uncredited)

Ángel Ortiz as Mexican #3 (uncredited)

Julio Peña as (uncredited)

Milo Quesada as Marco (uncredited)

Herman Reynoso as Curly's 2nd Man (uncredited)

José Riesgo as Garcia's Brother (uncredited)

Lorenzo Robledo as Officer (uncredited)

Vicente Roca as Elias Garcia (uncredited)

Fernando Villena as Sergeant (uncredited)

José Luis Lizalde as Innkeeper (uncredited)

Ángel Álvarez as Notary (uncredited)