At the Conservatory of Vienna the students only have eyes for their beautiful singing teacher, tenor Eric Walter.
as Eric Walter
as Sophie Dimater
as Elis Petersen
as Clément
as Berger
as Mrs. Dimater, Sophie's mother
as The future star who vocalizes
as Mr. Petersen, Elis's father
as Marie Koukawska-Walter
as Mrs. Petersen, Elis's mother
as Dick Killian
as Marion Dimater
as Erica
as Violin teacher
as Piano Teacher (uncredited)
as Professor
as Rudy
