Générique complet
Le Chanteur inconnu
Tino Rossi
Julien Mortal / Paolo
Lilia Vetti
Louise
Maria Mauban
Renée
Charles Dechamps
Max Daroult, radio director
Raymond Bussières
Fernand, Julien's Manager
LN
Lucien Nat
Carray Mas
MS
Madeleine Suffel
Maid
JD
Jacqueline Dumonceau
Journalist
Erico Braga
Innkeeper
Lucien Callamand
Stage manager
Marcel Carpentier
The bass
EC
Espanita Cortez
Albert Duvaleix
Record merchant
Gustave Gallet
Opera director
MG
Marie Guilhène
SG
Suzanne Guémard
A lady
Pierre Labry
Machinist
RP
Ray Postiaux
Saleswoman
Marcelle Rexiane
The aunt
Jean-Marc Tennberg