"Désiré Le Sec has just won the "amateur policeman contest" and he is so glad he 's telling all the people around.He is an insure agent ,and his boss,his uncle,is annoyed :a man took out a big life insurance and died soon afterward."
Fernandel
as Désiré Le Sec
Arlette Guttinguer
as Rose
Germaine Kerjean
as Madame De Saint-Val
Jean Davy
as Max Robertal
Viviane Gosset
as Suzy
Marcel Carpentier
as Henri Le Sec, Désiré's uncle
Marcel Pérès
as The brigadier
Erno Crisa
as Dédé, the wanderer
Paul Demange
as
Maxime Fabert
Jean Dasté
as The bailiff
Alexandre Rignault
as Antoine. the butler
Pierre Renoir
as Doctor Dartignac
René Fluet
as (uncredited)
Jean Marconi
Munier
Navailles
Albert Bossy
Writer
René Le Hénaff
Director