Pierre Richard, Bernard Blier, Jean Rochefort, Mireille Darc, Paul Le Person, Jean Carmet, Colette Castel, Maurice Barrier, Robert Dalban, Robert Castel, Jean Obé, Jean Saudray, Roger Caccia, Arlette Balkis, Tania Balachova
Hapless orchestra player becomes an unwitting pawn of rival factions within the French secret service after he is chosen as a decoy by being identified as a super secret agent.