Rellys
— Nicolas
Suzanne Dehelly
— Madame Ballard
Jacqueline Gauthier
— Jacqueline
Yves Deniaud
— Rigaud
Tramel
— Levasseur
Raymond Cordy
— Victor
Léo Marjane
— Singer
Jean-Jacques Delbo
— Villier
Robert Dhéry
— Édouard
Max Elloy
— Mortician
Guy Sloux
— Actor
Robert Allard
— Customer at the piano
Albert Broquin
— Night watchman
Eugène Frouhins
— Investigator
Gustave Gallet
— Director of Radio Ville
Albert Malbert
— Sleuth
Frédéric Mariotti
— Investigator
Alexandre Mihalesco
— Doctor
Roger Prégor
Georges Péclet
— Director
Maurice Salabert
— Stage manager
Odette Talazac
— Fanny Barbizonde
