Jack Buchanan as Count Rudolph Falliere / Rudy the Hairdresser

Jeanette MacDonald as Countess Helene Mara

Claud Allister as Prince Otto von Liebenheim

Zasu Pitts as Bertha

Tyler Brooke as Armand

John Roche as Paul, the 'Real' Hairdresser

Lionel Belmore as Prince Gustav von Liebenheim

Albert Conti as Prince Otto's Companion / M.C.

Helen Garden as Lady Mary in Stage Opera

Donald Novis as Monsieur Beaucaire in Stage Opera

Erik Bey as Lord Windorset

David Percy as Harald

Billy Bevan as Train Conductor (uncredited)

John Carroll as Wedding Guest Officer (uncredited)

Frances Dee as Receptionist (uncredited)

Max Barwyn as Frenchman (uncredited)

Symona Boniface as Opera Chorus Singer (uncredited)

Sidney Bracey as Hunchback at Casino (uncredited)

Margaret Carthew as Opera Chorus Singer (uncredited)

Geraldine Dvorak as Casino Patron (uncredited)

Virginia Engels as Opera Chorus Singer (uncredited)

Antonio Filauri as Opera Chorus Singer (uncredited)

Bess Flowers as Bridesmaid / Opera Chorus Singer (uncredited)

June Glory as Opera Chorus Singer (uncredited)

Beatrice Hagen as Opera Chorus Singer (uncredited)

Leonid Kinskey as Opera Chorus Singer (uncredited)

Edgar Norton as Minor Role (uncredited)

Elizabeth Pendleton as Opera Chorus Singer (uncredited)

Rolfe Sedan as Hairdresser (uncredited)

Viola Webster as Bridesmaid (uncredited)