Ethel Merman

Sally Adams

Donald O'Connor

Kenneth Gibson

Vera-Ellen

Princess Maria

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)

Carol Richards

Princess Maria (singing) (uncredited)