Fictionalized biography of George Gershwin and his fight to bring serious music to Broadway.
| Writing | Howard Koch | Screenplay |
| Writing | Sonya Levien | Story |
| Directing | Irving Rapper | Director |
| Writing | Elliot Paul | Screenplay |
| Art | John Hughes | Art Direction |
| Camera | Ernest Haller | Additional Photography |
| Art | Anton Grot | Art Direction |
| Editing | Folmar Blangsted | Editor |
| Production | Hal B. Wallis | Executive Producer |
| Costume & Make-Up | Milo Anderson | Costume Design |
| Camera | Sol Polito | Director of Photography |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
| Camera | Merritt B. Gerstad | Additional Photography |
| Production | Jesse L. Lasky | Producer |
| Sound | Max Steiner | Original Music Composer |
| Crew | Clifford Odets | Additional Writing |
| Crew | Harry Chandlee | Additional Writing |
| Crew | Robert Rossen | Additional Writing |
| Sound | George Gershwin | Songs |
| Writing | Ira Gershwin | Lyricist |
| Sound | George Gershwin | Original Music Composer |
| Sound | Ray Heindorf | Original Music Composer |
