Audrey Hepburn
Melissa Walter
Georges Lannes
Detective / Radio boss
John van Dreelen
Rudy Walter
Marcel Dalio
Poulos, imprésario
Suzanne Guémard
Mrs. Chatenay-Maillard
Nicole Jonesco
Germaine Dubois
Jackie Sardou
Mrs. Bindinelli
André Luguet
Chatenay-Maillard
Alain Bouvette
Friend of Marinette
René Bourbon
Festival director
Y. Orrigo
Johnny Walter, Melissa and Rudy's baby
Edmond Audran
(uncredited)
Daniel Cauchy
Fan of Melissa (uncredited)
Raoul Curet
Member of the "Quat' Jeudis" (uncredited)
André Fuma
Member of the "Quat' Jeudis" (uncredited)
Roger Lagier
Member of the "Quat' Jeudis" (uncredited)
Jules Munshin
Bullfighter in Musical Melange with Antoine (cameo) (uncredited)
Primerose Perret
Baby goods saleswoman (uncredited)
Germaine Reuver
Concierge (uncredited)
Charles Verstraete
Musician in Ray Ventura's orchestra (uncredited)
Jeanne Véniat
Marinette's mother (uncredited)