David Niven
Colonnel Carol Matthews, Aka 'Le Cerveau'
Eli Wallach
Frankie Scannapieco, Godfather of the Italian Mafia
Silvia Monti
Sofia Scannapieco, Frankie's Sister
Fernand Guiot
Inspector Mazurel, Assistant to the Commissioner
Patrick Préjean
Belgian Sergeant of the Armoured Car