A 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.
as François Perrin
as Colonel Bernard Milan
as Colonel Louis Toulouse
as Christine
as Perrache
as Maurice Lefebvre, Perrin's best friend
as Paulette Lefebvre
as Chaperon, Toulouse agent
as Coco, fake delivery man
as Georghiu, Milan agent
as Botrel, Milan agent
as Poucet, Toulouse agent
as Mr. Boudart, Milan agent
as Mrs. Boudart, Milan agent
as Louis Toulouse's mother
as Cyclist
as Conductor
as Man with Russian dolls
as Florist van driver
as Convertible driver
as Spy magician
as Spy arrested in the United States
as Spy at François Perrin's house
as Spy at François Perrin's house
as (uncredited)