Secret Agent Francis Coplan, is given the task of finding priceless artwork stolen by the Nazis' in 1943. The trail leads to Mexico, where Coplan challenges a "secret" organization in order to re-gain the paintings.

• Balcázar
• Comptoir Français du Film Production (CFFP)
• Lang Jeffries
• Sabine Sun
• José María Caffarel
• Robert Party
• Frank Oliveras
• Guido Lollobrigida
• Osvaldo Genazzani
• Guy Marly