A small-town policeman is informed that "naked women" are dancing in a revue at a local variety theater. Being the guardian of public morals that he is, he decides to stroll on down there and check it out for himself.

Robert Dhéry
as Robert Dhéry, metteur en scène / Un musicien

Louis de Funès
as Michel Lebœuf, le commissaire de la brigade des mœurs

Colette Brosset
as Colette Brosset, en danseuse débutante

Raymond Bussières
as Raymond, le plombier

Jacqueline Maillan
as Mme Maillan, la directrice de la salle

Francis Blanche
as Garibaldo Trouchet, le ténor / Un musicien

Michel Serrault
as Serrault, le trompettiste

Roger Caccia
as Un plagiste aux cabines / Un pianiste en coulisses / Un moine

Jacques Legras
as M. Legras, le présentateur du spectacle / Un moine

Rosine Luguet
as Rosine, la fiancée du plombier