Dressed as a clown, the clever rascal Grimm holds up the most secure bank of Montreal and takes 30 hostages. While confusing and ridiculing the police with his strange behavior, he calmly manages to rid the bank of a fortune. But then an unsatisfied companion arouses trouble...
Jean-Paul Belmondo
Grimm
Guy Marchand
Georges
Kim Cattrall
Lise Lefèvre
Jacques Villeret
Jeremie Blanchet, taxi driver
Jean-Pierre Marielle
Simon Labrosse
Jean-Claude de Goros
Inspector Fox
Tex Konig
Lasky
Raymond Aquilon
Frankie, guardian
