The Night Is Young

Ramon Novarro Archduke Paul 'Gustl' Gustave

Evelyn Laye Elizabeth Katherine Anne 'Lisl' Gluck

Charles Butterworth Willy Fitch

Una Merkel Fanni Kerner

Edward Everett Horton Baron Szereny

Donald Cook Toni Berngruber

Henry Stephenson Emperor Franz Josef

Rosalind Russell Countess Zarika Rafay

Herman Bing Nepomuk

Florine Baile Undetermined Role (uncredited)

Max Barwyn Max - the Waiter (uncredited)

Art Berry Sr. Undetermined Role (uncredited) (unconfirmed)

Albert Conti Mueller (uncredited)

George Davis Milkman (uncredited)

Carlos De Valdez Adjutant (uncredited)

Chico De Verdi Undetermined Role (uncredited) (unconfirmed)

Billy Dooley Coronetist (uncredited)

Elspeth Dudgeon Duchess of Reidheim (uncredited)

Kay English Undetermined Role (uncredited)

Charles Judels Riccardi (uncredited)