The story takes place in the racecourses around Paris. A so-called major sells his tips to naive characters.

• Compagnia Cinematografica Mondiale (CCM)
• Compagnie Internationale de Productions Cinématographiques (CIPRA)
• Jean Gabin
• Louis de Funès
• Madeleine Robinson
• Jean Lefebvre
• Paul Frankeur
• Frank Villard
• Jacques Marin
• Jean Martinelli