| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adolph Deutsch | Crew | Sound | Original Music Composer |
 Alexander Courage | Crew | Sound | Original Music Composer |
 Cedric Gibbons | Crew | Art | Production Design |
 Curtis Bernhardt | Crew | Directing | Director |
 Daniel B. Cathcart | Crew | Art | Production Design |
 Edwin B. Willis | Crew | Art | Set Decoration |
 Helen Rose | Crew | Costume & Make-Up | Costume Design |
 Jack Cummings | Crew | Production | Producer |
Jack D. Moore | Crew | Art | Set Decoration |
James Brock | Crew | Sound | Sound |
John D. Dunning | Crew | Editing | Editor |
 Joseph Ruttenberg | Crew | Camera | Director of Photography |
Marjorie Lawrence | Crew | Writing | Story |
Paul Vogel | Crew | Camera | Director of Photography |
Ridgeway Callow | Crew | Directing | Assistant Director |
 Sonya Levien | Crew | Writing | Writer |
Warren Newcombe | Crew | Crew | Special Effects |
Wesley C. Miller | Crew | Sound | Sound Recordist |
William Ludwig | Crew | Writing | Writer |
 William Tuttle | Crew | Costume & Make-Up | Makeup Designer |
 Ann Codee | Cast | Actress | Mme. Gilly |
 Bess Flowers | Cast | Actress | Party Guest (uncredited) |
 Cecil Kellaway | Cast | Actor | Bill Lawrence |
 Doris Merrick | Cast | Actress | Nurse (uncredited) |
 Eleanor Parker | Cast | Actress | Marjorie Lawrence |
 Evelyn Ellis | Cast | Actress | Clara |
 Gene Roth | Cast | Actor | King Marke in 'Tristan und Isolde' (non-singing scene) |
 Gilbert Russell | Cast | Manrico in 'Il trovatore' | |
 Glenn Ford | Cast | Actor | Dr. Thomas King |
 Lomax Study | Cast | Actor | Metropolitan Stage Manager (uncredited) |
 Peter Leeds | Cast | Actor | Dr. Ed Ryson |
 Roger Moore | Cast | Actor | Cyril Lawrence |
 Stephen Bekassy | Cast | Actor | Comte Claude des Vignaux |
 Stuart Whitman | Cast | Actor | |
Tudor Williams | Cast | King Marke in 'Tristan und Isolde' (singing scene) | |
 Walter Baldwin | Cast | Actor | Jim Owens |
 Eileen Farrell | Cast | Actress | Student at Mme. Gilly's / Voice of Marjorie Lawrence (voice) |
Charles Gonzales | Cast | Alcindoro in 'La bohème' | |
Joseph Gaudio | Cast | Samson in 'Samson et Dalila' | |
Jean Bonacorsi | Cast | Contralto in 'Tristan und Isolde' | |
Edwin Dunning | Cast | Marcello in 'La bohème' | |
Armando Tokatian | Cast | Rodolfo in 'La bohème' | |
Rudolph Petrak | Cast | Tenor | |
Leopold Sachse | Cast | Leopold Sachse | |
William Olvis | Cast | Don José in 'Carmen' | |
Jeanne Determann | Cast | Soprano in 'Tristan und Isolde' | |
Marcella Reale | Cast | Musetta in 'La bohème' | |
| Person | Type | Job | Role(s) |
