Donald O'Connor
Kenneth Gibson
George Sanders
Cosmo Constantine
Billy De Wolfe
Pemberton Maxwell
Helmut Dantine
Prince Hugo
Walter Slezak
August Tantinnin
Steven Geray
Prime Minister Sebastian
Ludwig Stössel
Grand Duke Otto
Lilia Skala
Grand Duchess Sophie
Charles Dingle
Senator Brockway
Emory Parnell
Senator Gallagher
Percy Helton
Senator Wilkins
Bess Flowers
Lady Seated Behind Duchess (uncredited)
Oskar Beregi
Chamberlain (uncredited)
George Chakiris
Dancer in The Ocarina Number (uncredited)
James Conaty
Guest at Sally's Party (uncredited)
Sayre Dearing
Ball Guest (uncredited)
Sam Harris
Townsman at Fair (uncredited)
Torben Meyer
Rudolph (uncredited)
Forbes Murray
Ball Guest (uncredited)
Jeffrey Sayre
Ball Guest (uncredited)
Bert Stevens
Ball Guest (uncredited)
Harold Miller
(uncredited)
Barrie Chase
Dancer (uncredited)
