Mary Barrett is an aspiring opera singer who is taken under the wings of a famous operatic maestro, Guilio Monterverdi. After spending endless working hours together and arguing, their relationship develops into love. But, jealousy and misunderstandings prevent Mary and Guilio from acknowledging their true feelings.

Grace Moore
as Mary Barrett

Tullio Carminati
as Giulio Monteverdi

Lyle Talbot
as Bill Houston

Mona Barrie
as Lally

Jessie Ralph
as Angelina

Luis Alberni
as Giovanni

Andrés de Segurola
as Galuppi

Rosemary Glosz
as Frappazini

Nydia Westman
as Muriel

Henry Armetta
as Cafe Owner