A dangerous criminal group wants to destroy St. Peter's Basilica and the secret agent James Tont is the only one who can help it.

• Cineurop
• Panda - Società per l'Industria Cinematografica
• Lando Buzzanca
• France Anglade
• Loris Gizzi
• Claudie Lange
• Antonella Murgia
• Jacques Dufilho
• Geoffrey Copleston
• Furio Meniconi