| Person | Type | Job | Role(s) |
|---|---|---|---|
 Douglas MacLean | Crew | Production | Associate Producer |
 Ernö Metzner | Crew | Art | Art Direction |
 Howard Estabrook | Crew | Writing | Writer |
James Smith | Crew | Editing | Editor |
John J. Mescall | Crew | Camera | Director of Photography |
Julia Heron | Crew | Art | Set Decoration |
 Miklós Rózsa | Crew | Sound | Original Music Composer |
 Nicholas Joy | Crew | Writing | Writer |
Raymond A. Klune | Crew | Production | Production Manager |
 Reinhold Schünzel | Crew | Directing | Director |
René Hubert | Crew | Costume & Make-Up | Costume Design |
Robert Stephanoff | Crew | Costume & Make-Up | Makeup Artist |
Walter Mayo | Crew | Directing | Assistant Director |
William A. Wilmarth | Crew | Sound | Sound Recordist |
William A. Szekeley | Crew | Production | Producer |
 Alan Curtis | Cast | Actor | Franz Schubert |
 Albert Bassermann | Cast | Actor | Ludwig van Beethoven |
 Barnett Parker | Cast | Actor | The Duke |
 Billy Gilbert | Cast | Actor | Poldi |
 Binnie Barnes | Cast | Actress | Countess Marie Duvarre |
 Ernö Verebes | Cast | Actor | Karl (uncredited) |
 Forrest Tucker | Cast | Actor | Moritz |
 George O'Hanlon | Cast | Actor | Peppi |
 Gilbert Emery | Cast | Actor | The School Principal |
 Harry Hayden | Cast | Actor | Box-Office Clerk at Carnegie Hall |
 Ilona Massey | Cast | Actress | Anna |
 John Qualen | Cast | Actor | Hasslinger's Clerk |
Kenneth Farrell | Cast | The Young Man at Carnegie Hall | |
 Marion Martin | Cast | Actress | Mitzi |
 Maynard Holmes | Cast | Actor | Wilhelm |
 Paul Sutton | Cast | The Farm Foreman | |
 Richard Carle | Cast | Actor | Karl Hasslinger |
 Sig Arno | Cast | Actor | Maestro Frascini |
 Sterling Holloway | Cast | Actor | Otto - Bookkeeper |
Ann Stewart | Cast | The Young Woman at Carnegie Hall | |
| Person | Type | Job | Role(s) |
