 Tyrone PowerEddy Duchin | Eddy Duchin |
 Kim NovakMarjorie Oelrichs Duchin | Marjorie Oelrichs Duchin |
 James WhitmoreLou Sherwood | Lou Sherwood |
 Victoria ShawChiquita | Chiquita |
 Rex ThompsonPeter Duchin, Age 12 | Peter Duchin, Age 12 |
| MMickey MagaPeter Duchin, Age 5 | Peter Duchin, Age 5 |
 Shepperd StrudwickSherman Wadsworth | Sherman Wadsworth |
 Frieda InescortEdith Wadsworth | Edith Wadsworth |
 Gloria HoldenMrs. Duchin | Mrs. Duchin |
 Larry KeatingLeo Reisman | Leo Reisman |
 John MylongMr. Duchin | Mr. Duchin |
 Gregory GayePhilip | Philip |
| WWarren HsiehNative Boy | Native Boy |
 Richard H. CuttingGeorge - Destroyer Captain | George - Destroyer Captain |
| CCarlyle MitchellMarjorie's Doctor | Marjorie's Doctor |
 Jack AlbertsonPiano Tuner (uncredited) | Piano Tuner (uncredited) |
 Xavier CugatXavier Cugat (uncredited) | Xavier Cugat (uncredited) |
 Bess FlowersParty Guest at Central Park Casino (uncredited) | Party Guest at Central Park Casino (uncredited) |
 Kirk AlynYoung Man at Wadsworths' Party (uncredited) | Young Man at Wadsworths' Party (uncredited) |
| RRichard SternbergFirst Boy | First Boy |
| AAndrew Paul SmithSecond Boy | Second Boy |
| LLois KimbrellNurse | Nurse |
 Franklyn FarnumPasserby (uncredited) | Passerby (uncredited) |
 Cosmo SardoNightclub Patron / Wedding Reception Guest (uncredited) | Nightclub Patron / Wedding Reception Guest (uncredited) |
| PPeter NormanWalter (uncredited) | Walter (uncredited) |
 Jeffrey SayreNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Bernard SellNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Arthur ToveyNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
| BBert StevensNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
| MMurray PollackNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
