| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Newman | Crew | Sound | Music Director, Original Music Composer |
 Archie Mayo | Crew | Directing | Director |
 Gregg Toland | Crew | Camera | Director of Photography |
 Irma von Cube | Crew | Writing | Screenplay |
 James Basevi | Crew | Art | Art Direction |
Jeanne Beakhurst | Crew | Costume & Make-Up | Costume Design |
 John Howard Lawson | Crew | Writing | Screenplay |
Julia Heron | Crew | Art | Set Decoration |
Paul Neal | Crew | Crew | Sound Recordist |
 Robert Riskin | Crew | Production | Associate Producer |
 Samuel Goldwyn | Crew | Production | Producer |
Sherman Todd | Crew | Editing | Editor |
Walter Mayo | Crew | Directing | Assistant Director |
 Alan Edwards | Cast | Actor | Concertgoer Throwing Tickets Away (uncredited) |
Alexander Schoenberg | Cast | Actor | Menken |
Alfred Newman | Cast | Actor | Musical Director |
 Andrea Leeds | Cast | Actress | Ann Lawson |
 Anne O'Neal | Cast | Actress | Woman on Steps (uncredited) |
 Arthur Aylesworth | Cast | Actor | Detective (uncredited) |
 Arthur Hohl | Cast | Actor | Miller |
 Billy Wayne | Cast | Actor | Film Delivery Man (uncredited) |
 Brooks Benedict | Cast | Actor | Man in Concert Audience (uncredited) |
Bryant Washburn Jr. | Cast | Actor | Usher in Carnegie Hall (uncredited) |
 Charles Coleman | Cast | Actor | Henry - Heifetz's Butler (uncredited) |
Chuck Stubbs | Cast | Actor | Fever |
 Diana Lynn | Cast | Actress | Pianist (uncredited) |
 Dorothy Christy | Cast | Actress | Woman Angry at Husband Being Late (uncredited) |
Dulcie Day | Cast | A Woman in Line (uncredited) | |
Effie Anderson | Cast | Woman on Steps (uncredited) | |
 Elizabeth Valentine | Cast | Actress | Undetermined Role (uncredited) |
 Emmett Vogan | Cast | Actor | Police Chief's Aide (uncredited) |
 Emory Parnell | Cast | Actor | Policeman in Rain (uncredited) |
 Eric Mayne | Cast | Actor | Man in Concert Audience |
 Ethan Laidlaw | Cast | Actor | Film Delivery Man (uncredited) |
 Fern Emmett | Cast | Actress | Woman on Steps (uncredited) |
Frank Jaquet | Cast | Actor | Mr. Wallace (uncredited) |
 Gale Sherwood | Cast | Actress | Betty |
 Gene Reynolds | Cast | Actor | Frankie |
 J. Farrell MacDonald | Cast | Actor | Police Chief (uncredited) |
 James Flavin | Cast | Actor | Police Sergeant (uncredited) |
 Jascha Heifetz | Cast | Actor | Himself |
 Jessie Arnold | Cast | Actress | Woman in Alley Yelling for Police (uncredited) |
 Joe De Stefani | Cast | Pawn Broker (uncredited) | |
 Joel McCrea | Cast | Actor | Peter McCarthy |
 John Hamilton | Cast | Actor | Detective (uncredited) |
 John Kelly | Cast | Actor | Kelly (uncredited) |
 John St. Polis | Cast | Actor | Davis |
 Lee Phelps | Cast | Actor | Policeman in Auditorium (uncredited) |
 Louis Mason | Cast | Actor | Deputy (uncredited) |
 Marjorie Main | Cast | Actress | Mrs. Miller |
 Marjorie Wood | Cast | Actress | Betty's Mother (uncredited) |
Mary Ruth | Cast | Actress | Suzie |
Maude Louis | Cast | Woman in Line (uncredited) | |
Mitchell Lurie | Cast | Clarinetist in Orchestra (uncredited) | |
 Paul Harvey | Cast | Actor | Heifetz' Manager |
 Paul Stanton | Cast | Actor | Inspector Johnson (uncredited) |
 Perry Ivins | Cast | Actor | Mr. Morgam (uncredited) |
Peter Meremblum | Cast | Actor | Peter Meremblum |
 Porter Hall | Cast | Actor | Mr. Flower |
Richard Berres | Cast | Cellist in Meremblum Orchestra (uncredited) | |
 Robert Homans | Cast | Actor | Policeman at Barney's Pool Room (uncredited) |
 Roger Imhof | Cast | Actor | Michael - Deputy (uncredited) |
 Stanley Blystone | Cast | Actor | Policeman at Police Station (uncredited) |
 Terry Kilburn | Cast | Actor | Limey |
 Tommy Kelly | Cast | Actor | Willie |
 Virginia Brissac | Cast | Actress | Willie's Mother (uncredited) |
 Wade Boteler | Cast | Actor | Bill - Police Lieutenant (uncredited) |
 Walter Brennan | Cast | Actor | Professor Lawson |
 Walter Tetley | Cast | Actor | Rocks Mulligan |
 Wyndham Standing | Cast | Actor | Undetermined Role (uncredited) |
Edwina Pierce | Cast | Violinist (uncredited) | |
Emanuel Bay | Cast | Accompanist for 'Hora staccato' (uncredited) | |
Kaye Connor | Cast | Girl in Orchestra (uncredited) | |
Morris Boltuch | Cast | Kid in Orchestra (uncredited) | |
Theodore Saidenberg | Cast | Heifetz's Accompanist (uncredited) | |
Zero | Cast | Sucker the Dog | |
Mary Louise Zeyen | Cast | Cellist in Orchestra (uncredited) | |
Virginia Ellis | Cast | Violinist (uncredited) | |
Annette Ruderman | Cast | Violinist (uncredited) | |
Calvin Leslie | Cast | (uncredited) | |
Raymond D. Bowman | Cast | Actor | Violinist (uncredited) |
| Person | Type | Job | Role(s) |
