Maurice Chevalier

Count Danilo

Jeanette MacDonald

Madame Idiot / Stupid

Edward Everett Horton

Ambassador Popoff

Una Merkel

Queen Dolores

George Barbier

King Achmet

Minna Gombell

Marcelle

Ruth Channing

Lulu

Sterling Holloway

Orderly

Donald Meek

Valet

Herman Bing

Zizipoff

Jacklyn Alexander

Minor Role (uncredited)

Lona Andre

Maid to Sonia (uncredited)

Henry Armetta

Turk (uncredited)

Zita Baca

Maxim Girl (uncredited)