During the Tour de France, five riders are found murdered with a red tulip near their bodies. A journalist and a police inspector lead the investigation to unmask the murderer.
Cast
René Dary
Pierre Lusanne
Suzanne Dehelly
Colonelle
Raymond Bussières
Albert 'La Puce' Jacquin
Pierre-Louis
Charolles
Robert Berri
Jacques Mauval
Robert Le Fort
Basile
Emilio Carrer
Gambarra
Robert Blome
Jef Dooksen
René Robert
Unknown
Luc Andrieux
Charles Brugeat
Roger Bontemps
Reporter
Marian
Unknown
Jean-Jacques Lécot
Unknown
Claude Larry
Unknown
Bob d'Arcy
Unknown
Jean Debray
Cooper
Jean Nosserot
Fuseau
Émile Genevois
Robert
Coussolle
Unknown
Orgaert
Unknown
Marcel Loche
Unknown
René Hell
Unknown
Edith Guarini
Unknown
Annette Poivre
Annette Jacquin
Jean Brochard
Chief Inspector Honoré Ricul
Albert Broquin
Mechanic (uncredited)
Maguy Horiot
(uncredited)
Frédéric Mariotti
Police inspector (uncredited)
Jacques Mattler
Director of the judicial police (uncredited)
Fernand Mithouard
Max Everkampf (uncredited)
Marcelle Rexiane
Cashier (uncredited)
René Stern
Maître d'hôtel (uncredited)
