At the Conservatory of Vienna the students only have eyes for their beautiful singing teacher, tenor Eric Walter.
Jean Marais
as Eric Walter
Brigitte Bardot
as Sophie Dimater
Isabelle Pia
as Elis Petersen
Yves Robert
as Clément
Миша Ауэр
as Berger
Lila Kedrova
as Mme. Dimate - mère de Sophie
Mylène Demongeot
as The future star who vocalizes
Edmond Beauchamp
as M. Peterson père d'Elis
Denise Noël
as Marie Koukawska-Walter
Yvette Etiévant
as Mme. Petersen - mère d'Elis
George Reich
as Dick Killian
Anne Collette
as Marion Dimater
