"Tongues start to wag after a famous Parisian music hall dancer is rushed to hospital after being found poisoned by arsenic at the Concert Mayol."
Claude Godard
as Mado
Daniel Clérice
as Max
Jean-Pierre Kérien
as Inspector Million
Robert Berri
as Fred
Jean Tissier
as Mr. Grumeau
Betty Beckers
as
Célia Cortez
as Lydia
Jane D'Yvoire
Jean Daurand
as Bill
Paul Demange
as Nestor
Paul Ensia
as Director
Fernand Gilbert
as Impresario
Michèle Ginesty
Ariane Lancell
as Dancer
Christian Lude
as Doctor
Gina Manès
as Concierge
Charles Roy
as Commissioner
Monique Vivian
Maurice Derville
as (uncredited)
Albert Dinan
Julien Maffre
as Machinist (uncredited)
Marcel Portier
as Million's deputy (uncredited)
Georges Sauval
as Neighbor (uncredited)
Valérie Vivin
Roger Duculot
Camera Operator
Maurice Carrouet
Sound
Lala Janvier
Makeup Artist
Marcel Landowski
Music
Bernard-Roland
Producer
Georges Sénamaud
Jacques Chabannes
Writer
Lucien Rimels
Pierre Méré
Director
Pierre Dolley
Director of Photography
Original Music Composer