Marlène

Returning from South America, a singer is hired by an old pal who runs a detective agency to use a perch as a night club performer to be an investigator.The amateur sleuth then falls for a girl whose brother is a jewel thief.

Drama

Tino Rossi

(Manuel Ceccaldi)

Micheline Francey

(Marie-Hélène)

Pauline Carton

(Old lady)

Lilia Vetti

(Lola)

Mathilde Casadesus

(Betty)

Robert Lussac

(Commissioner)

Paul Azaïs

(Bartender)

Germaine Stainval

(Locker room lady)

José Artur

('La Puce')

Raphaël Patorni

(César Luciani)

André Valmy

(Laurin)

Jacques Castelot

(Breteville)

Lily Fayol

(Suzy)

Raymond Bussières

(Harris)

Michel Barbey

(Michel (uncredited))

Pierre Duncan

((uncredited))

René Lacourt

(Nurseryman (uncredited))

Francis Lopez

(Pianist (uncredited))

Jean-Pierre Lorrain

((uncredited))

Julien Maffre

(Corsican (uncredited))

Jean Mercure

(Gangster (uncredited))

Raymond Meunier

((uncredited))

Marcelle Monthil

(Mother (uncredited))

Marcel Rouzé

((uncredited))

Roger Saget

(Cheated Husband (uncredited))