Macho Callaghan is a lieutenant in the Federal Guards and his job is to capture Butch Cassidy, Ironhead, and their band of outlaws. Getting in touch with Ironhead, Macho finds a way of being hired by the outlaws. But when the two leaders quarrel and decide to separate, Macho manages to convince Ironhead to attack Butch Cassidy.

• Electra Compagnia Cinematografica
• Tarquinia Internazionale Cinematografica
• Jack Betts
• Gordon Mitchell
• Benito Pacifico
• Grazia Giuvi
• Giancarlo Prete
• Luciano Conti
• Klaus Kinski
• Jeff Cameron