Bing Crosby

Johnny Adams

Fred Astaire

Jed Potter

Joan Caulfield

Mary O'Hara

Billy De Wolfe

Tony

Olga San Juan

Nita Nova

Mikhail Rasumny

François

Frank Faylen

Mack

Victoria Horne

Martha (nurse)

Karolyn Grimes

Mary Elizabeth Adams

Jimmy Conlin

Jeffrey - Valet (uncredited)

John Deauville

Dancer (uncredited)

John Gallaudet

Stage Manager (uncredited)

Audrey Korn

Dancer (uncredited)

Cliff Nazarro

Cliff - Piano Player (uncredited)

Rudolph Valentino

Valentino (archive footage) (uncredited)

Stuart Heisler