Tyrone Power as Eddy Duchin

Kim Novak as Marjorie Oelrichs Duchin

James Whitmore as Lou Sherwood

Victoria Shaw as Chiquita

Rex Thompson as Peter Duchin, Age 12

Mickey Maga as Peter Duchin, Age 5

Shepperd Strudwick as Sherman Wadsworth

Frieda Inescort as Edith Wadsworth

Gloria Holden as Mrs. Duchin

Larry Keating as Leo Reisman

John Mylong as Mr. Duchin

Gregory Gaye as Philip

Warren Hsieh as Native Boy

Richard H. Cutting as George - Destroyer Captain

Carlyle Mitchell as Marjorie's Doctor

Jack Albertson as Piano Tuner (uncredited)

Xavier Cugat as Xavier Cugat (uncredited)

Bess Flowers as Party Guest at Central Park Casino (uncredited)

Kirk Alyn as Young Man at Wadsworths' Party (uncredited)

Richard Sternberg as First Boy

Andrew Paul Smith as Second Boy

Lois Kimbrell as Nurse

Franklyn Farnum as Passerby (uncredited)

Cosmo Sardo as Nightclub Patron / Wedding Reception Guest (uncredited)

Peter Norman as Walter (uncredited)

Jeffrey Sayre as Nightclub Patron (uncredited)

Bernard Sell as Nightclub Patron (uncredited)

Arthur Tovey as Nightclub Patron (uncredited)

Bert Stevens as Nightclub Patron (uncredited)

Murray Pollack as Nightclub Patron (uncredited)

Hans Moebus as Nightclub Patron (uncredited)

George Ford as Nightclub Patron (uncredited)

Sam Harris as Nightclub Patron (uncredited)

Dan Dowling as Nightclub Patron (uncredited)

Kenner G. Kemp as Wedding Reception Guest (uncredited)

Carl M. Leviness as Wedding Reception Guest (uncredited)

Brad Trumbull as Seaman (uncredited)