Adrien Moulinet, a modest encashing agent in the Nortier bank, is also an inventor in his spare time. His latest revolutionary creation is the motorized roller skate. His problem is to be able to market them. Jules Petitpas, a jobless adman, is the right man for that.

Adrien Moulinet

Arlette

Monique

Madame Hortense

Nortier

Mouillette

Étienne

Jules Petitpas

Monsieur Robert

The insurer of 'La Pie qui Veille'

The painter

The negro shoe-shine boy (uncredited)

Jules Petitpas's concierge (uncredited)

The bartender (uncredited)

The assistant office manager (uncredited)

The Boulevard Suchet concierge (uncredited)
December 22, 1943

Adrien Moulinet

Arlette

Monique

Madame Hortense

Nortier

Mouillette

Étienne

Jules Petitpas

Monsieur Robert

The insurer of 'La Pie qui Veille'

The painter

The negro shoe-shine boy (uncredited)

Jules Petitpas's concierge (uncredited)

The bartender (uncredited)

The assistant office manager (uncredited)

The Boulevard Suchet concierge (uncredited)

