Frank Villard
— Raoul Cérusier / Roland Colbert
Françoise Christophe
— Renée Cérusier
Pierre Larquey
— Uncle Antonin
Suzanne Flon
— Lucienne Chenal
Robert Dalban
— Julien Gauthier
Junie Astor
— La Sarrazine
Olivier Hussenot
— The commissioner
Arlette Merry
— The concierge
Gilberte Géniat
— Annette, the maid
Made Siamé
— Miss Lagorce
René Clermont
— The man with the guinea pigs
Paul Faivre
— The employee of the B.C.B.
Ariane Murator
— The employee of the B.C.B.
Roland Armontel
— The pharmacist (uncredited)
Jacques Beauvais
— The Headwaiter (uncredited)
Paul Bisciglia
— (uncredited)
Louis Bugette
— The taxi driver (uncredited)
Claude Castaing
— (uncredited)
Jean-Jacques Duverger
— Jacquot (uncredited)
Gilbert Edard
— (uncredited)
Lucien Guervil
— The Inspector (uncredited)
Harry-Max
— (uncredited)
Gilbert Sauval
— The tramp (uncredited)
Titys
— An employee (uncredited)