
Kohlman, the attorney for the Fournil bank, diverts money from the institution. To hide his malpractices, he imagines to remove the director, the young and overconfident Clement Fournil, during a cruise at sea on the yacht Emile Frechisse.
Director:

Claude Dauphin
Clément Fournil

Sophie Desmarets
Marianne Fabre

Pierre Brasseur
Emile Fréchisse

Noël Roquevert
Kohlmann

Albert Rémy
Albert

Edmond Ardisson
An inspector

René Berthier
Fleuret

Charles Camus
A shareholder

Henri Crémieux
The commissioner

Joé Davray

Danièle Delorme

Huguette Doriane

Émile Drain
A shareholder

Richard Flagey

Lucien Hector
A shareholder

Colette Mareuil

Renaud Mary
The deputy Director

Albert Michel
The bosun

Philippe Olive

Pierre Olivier
The mayor

Maurice Régamey

Raymond Soukoff

Louis de Funès
The cook (uncredited)