Arthur and Anatole are two little robbers. They want to rob money, money that will travel in a special train from Paris to Bruxelles. They don't know that other people have planned to do the same thing.

Jean-Paul Belmondoas Arthur Lespinasse
Bourvilas Anatole
David Nivenas Colonnel Carol Matthews, Aka 'Le Cerveau'
Eli Wallachas Frankie Scannapieco, Godfather of the Italian Mafia
Silvia Montias Sofia Scannapieco, Frankie's Sister
Raymond Gérômeas Commissioner
Fernand Guiotas Inspector Mazurel, Assistant to the Commissioner
Jacques Balutinas Inspector Pochet
Jacques Cironas Inspector Dubœuf
Patrick Préjeanas Belgian Sergeant of the Armoured Car