Two friends, Tricoche and Cacolet, are partners in a detective agency. Chance has it that Cacolet is hired by Van der Pouf, a rich banker who wants him to watch over his wife Bernardine while the latter, on her part, seeks the services of Thicoche.
Fernandel
Tricoche
Frédéric Duvallès
Cacolet, l'associé de Tricoche
Ginette Leclerc
Fanny Bombance
Elvira Popescu
Bernardine Van der Pouf
Jean Weber
Le duc Émile
Saturnin Fabre
Monsieur Van der Pouf
Sylvio De Pedrelli
Oscar Pacha
Jean Gobet
Breloque, le secrétaire
Gaston Orbal
Fil-de-fer
Rivers Cadet
Naphtaline
Alexandre Mihalesco
Le régisseur
Monique Montey
Georgette
Simone Chobillon
(uncredited)
Manuel Gary
(uncredited)
Palmyre Levasseur
La bonne de Tricoche (uncredited)
Albert Malbert
L'acteur (uncredited)
Franck Maurice
(uncredited)
Madeleine Suffel
Virginie, la bonne du bureau de placement (uncredited)