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