Jean-Paul Belmondo
Arthur Lespinasse
David Niven
Colonnel Carol Matthews, aka 'Le Cerveau'
Eli Wallach
Frankie Scannapieco, godfather of the Italian mafia
Silvia Monti
Sofia Scannapieco, Frankie's sister
Raymond Gérôme
Commissioner
Fernand Guiot
Inspector Mazurel, assistant to the commissioner
Jacques Balutin
Inspector Pochet
Jacques Ciron
Inspector Dubœuf
Patrick Préjean
Belgian Sergeant of the armoured car
Robert Dalban
Belgian soldier of the armored car (with a cold)
Raoul Delfosse
Belgian soldier of the armored car
