Nelson Eddy as Anatole Garron

Susanna Foster as Christine Dubois

Claude Rains as Erique Claudin

Edgar Barrier as Raoul D'Aubert

Leo Carrillo as Signor Ferretti

Jane Farrar as Biancarolli

J. Edward Bromberg as Amiot

Fritz Feld as Lecours

Frank Puglia as Villeneuve

Steven Geray as Vereheres

Barbara Everest as The Aunt

Hume Cronyn as Gerard

Fritz Leiber as Franz Liszt

Nicki Andre as Madame Lorenzi

Gladys Blake as Jeanne

Elvira Curci as Biancarolli's Maid

Hans Herbert as Marcel

Kate Drain Lawson as Landlady

Miles Mander as Pleyel

Rosina Galli as Christine's Maid

Walter O. Stahl as Doctor (as Walter Stahl)

Paul Marion as Desjardines

Richard Bartell as Reporter (uncredited)

Edward Biby as Operagoer (uncredited)

Eumenio Blanco as Minor Role (uncredited)

Stanley Blystone as Officer (uncredited)

Beatrice Roberts as Nurse (uncredited)

Belle Mitchell as Feretti's Maid (uncredited)

James Mitchell as Reporter (uncredited)

Renee Carson as Georgette (uncredited)

Wheaton Chambers as Reporter (uncredited)

Lane Chandler as Officer (uncredited)

Edward Clark as Usher (uncredited)

James Conaty as Operagoer (uncredited)

Paul Cristo as Policeman (uncredited)

Jack Deery as Operagoer (uncredited)

William Desmond as Stagehand (uncredited)

Helen Dickson as Operagoer (uncredited)

Ernest Golm as Office Manager (uncredited)

Bella Lewitzky as Dancer (uncredited)

Hank Mann as Stagehand (uncredited)

Anthony Marlowe as 'Marta' Singer (uncredited)

Alphonse Martell as Policeman (uncredited)

Eric Mayne as Reporter (uncredited)

Robert Robinson as Citizen (uncredited)

Victor Romito as Actor in Play (uncredited)

John Roy as Actor in Play (uncredited)

Muni Seroff as Reporter (uncredited)

Johnny Walsh as Office Boy (uncredited)

Tudor Williams as 'Marta' Singer (uncredited)

Marek Windheim as Renfrit (uncredited)