| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anton Grot | Crew | Art | Art Direction |
 E.Y. Harburg | Crew | Writing | Story |
Francesco Maria Piave | Crew | Sound | Music |
George Amy | Crew | Editing | Editor |
George Barnes | Crew | Crew | Cinematography |
Hanns Kräly | Crew | Writing | Story |
Heinz Roemheld | Crew | Sound | Music |
 Jerry Wald | Crew | Crew | Additional Dialogue |
 Julius J. Epstein | Crew | Writing | Writer |
 Leo F. Forbstein | Crew | Sound | Music Director |
 Lloyd Bacon | Crew | Directing | Director |
 Orry-Kelly | Crew | Costume & Make-Up | Costume Design |
Ray Heindorf | Crew | Sound | Music Arranger |
Samuel Bischoff | Crew | Production | Associate Producer |
Sig Herzig | Crew | Writing | Screenplay, Story |
Warren Duff | Crew | Writing | Screenplay |
 Adolphe Menjou | Cast | Actor | Professor Eduardo de Vinci |
 André Cheron | Cast | Actor | Headwaiter |
 Anne Canovas | Cast | Actress | Hillbilly Specialty |
 Bill Elliott | Cast | Actor | Reporter |
Bob Murphy | Cast | Actor | Singing Traffic Cop |
 Candy Candido | Cast | Actor | Candy |
Cliff Saum | Cast | Actor | Red's Pal |
 Dick Powell | Cast | Actor | Richard 'Dick' Purcell, aka Ricardo Purcelli |
Don Turner | Cast | Actor | Cabbie at Accident |
Donald Mills | Cast | Actor | |
Eddie Graham | Cast | Actor | Man in Audience |
 Edmund Mortimer | Cast | Actor | Man Leaving Opera / Dancer |
 Elsa Peterson | Cast | Actress | Woman |
 Emmett Vogan | Cast | Actor | Reporter |
Ernest Wood | Cast | Actor | Hotel Clerk |
 Frank O'Connor | Cast | Actor | Majordomo Directing Cabs |
 George Barbier | Cast | Actor | Music Critic Hayward |
 George Chandler | Cast | Actor | Photographer |
 Gino Corrado | Cast | Actor | Clerk in Italian Store |
 Grant Mitchell | Cast | Actor | E.V. Richards, Radio Producer |
Harry Mills | Cast | ||
Harry Seymour | Cast | Actor | 1st Radio Announcer |
Henry Otho | Cast | Actor | Pete |
Herbert Mills | Cast | ||
 Hobart Cavanaugh | Cast | Actor | Music Critic Gilmore |
 Jack Norton | Cast | Actor | Man on Ship with Pipe |
 James Burke | Cast | Actor | Uncle Andy |
 Joan Blondell | Cast | Actress | Alice Hughes |
 Joe Sawyer | Cast | Actor | 'Red' |
 John Mills | Cast | Actor | |
 Judy Canova | Cast | Actress | Hillbilly Specialty |
 June Travis | Cast | Actress | Hatcheck Girl |
Leo F. Forbstein | Cast | Actor | Rehearsal Orchestra Leader |
 Leo White | Cast | Actor | de Vinci's Friend |
Lloyd Bacon | Cast | Actor | Man Going to Brooklyn (uncredited) |
 Louise Fazenda | Cast | Actress | Mrs. Flagenheim |
 Mary Treen | Cast | Actress | 2nd Irate Caller |
 Milton Kibbee | Cast | Actor | Red's Pal |
Muzzy Marcellino | Cast | Member of the Debutantes | |
Otto Heimel | Cast | Man | |
 Paul Porcasi | Cast | Actor | Señor Fuzzi |
Pete Canova | Cast | Hillbilly Specialty | |
 Rafael Alcayde | Cast | Actor | Ramon |
 Rolfe Sedan | Cast | Actor | Mrs. Flaggenheim's Secretary |
 Sam Ash | Cast | Actor | Singer |
 Selmer Jackson | Cast | Actor | Program Director |
Ted Fio Rito | Cast | Ted Fio Roto - Orchestra Leader | |
Tom Hanlon | Cast | 2nd Radio Announcer | |
 Tom McGuire | Cast | Actor | Man Leaving Opera / Accident Bystander |
 William Gargan | Cast | Actor | Cliff Stanley |
William Jeffrey | Cast | Manager | |
Zeke Canova | Cast | Hillbilly Specialty | |
Henry De Silva | Cast | Actor | Steward |
| Person | Type | Job | Role(s) |
