Biographic movie about the American composer Sigmund Romberg.
| Directing | Stanley Donen | Director |
| Writing | Elliott Arnold | Book |
| Camera | George J. Folsey | Director of Photography |
| Production | Roger Edens | Producer |
| Art | Arthur Krams | Set Decoration |
| Costume & Make-Up | Walter Plunkett | Costume Design |
| Art | Cedric Gibbons | Art Direction |
| Art | Edwin B. Willis | Set Decoration |
| Directing | Robert Vreeland | Assistant Director |
| Editing | Adrienne Fazan | Editor |
| Costume & Make-Up | Helen Rose | Costume Design |
| Art | Edward C. Carfagno | Art Direction |
| Writing | Leonard Spigelgass | Screenplay |
| Sound | Adolph Deutsch | Music Supervisor |
| Sound | Adolph Deutsch | Conductor |
| Sound | Hugo Friedhofer | Orchestrator |
| Sound | Alexander Courage | Orchestrator |
| Sound | Bobby Tucker | Music Arranger |
| Crew | Warren Newcombe | Special Effects |
| Crew | Eugene Loring | Choreographer |
| Costume & Make-Up | William Tuttle | Makeup Artist |
| Sound | Wesley C. Miller | Recording Supervision |
| Costume & Make-Up | Sydney Guilaroff | Hair Designer |
| Sound | Sigmund Romberg | Songs |
| Writing | Oscar Hammerstein II | Lyricist |
| Writing | Dorothy Donnelly | Lyricist |
| Writing | Cyrus Wood | Lyricist |
| Writing | Ballard MacDonald | Lyricist |
| Writing | Rida Johnson Young | Lyricist |
| Writing | Harold Atteridge | Lyricist |
| Writing | Otto A. Harbach | Lyricist |
| Writing | Herbert Reynolds | Lyricist |
