Générique complet
Le Mystère Saint-Val
Fernandel
Désiré Le Sec
AG
Arlette Guttinguer
Rose
GK
Germaine Kerjean
Madame De Saint-Val
Jean Davy
Max Robertal
VG
Viviane Gosset
Suzy
Marcel Carpentier
Henri Le Sec, Désiré's uncle
Marcel Pérès
The brigadier
Erno Crisa
Dédé, the wanderer
Paul Demange
Maxime Fabert
Jean Dasté
The bailiff
Alexandre Rignault
Antoine. the butler
Pierre Renoir
Doctor Dartignac
René Fluet
(uncredited)
Jean Marconi
(uncredited)
M
Munier
(uncredited)
N
Navailles
(uncredited)