| Person | Type | Job | Role(s) |
|---|---|---|---|
 Aaron Copland | Crew | Sound | Music |
 Charles Gounod | Crew | Sound | Music |
 Gaetano Donizetti | Crew | Sound | Music |
 Georges Bizet | Crew | Sound | Music |
 Giacomo Puccini | Crew | Sound | Music |
 Giuseppe Verdi | Crew | Sound | Music |
 Modeste Moussorgsky | Crew | Sound | Music |
 Peter Gelb | Crew | Production | Producer |
 Peter R. Livingston Jr. | Crew | Editing | Editor, Co-Director |
 Richard Strauss | Crew | Sound | Music |
 Richard Wagner | Crew | Sound | Music |
Roger Phenix | Crew | Sound | Sound |
Susan Froemke | Crew | Directing | Director, Producer |
 Vincenzo Bellini | Crew | Sound | Music |
 Wolfgang Amadeus Mozart | Crew | Sound | Music |
Prudence Arndt | Crew | Editing | Archival Footage Coordinator |
 Muffie Meyer | Crew | Production | Consulting Producer |
Molly Schwartz | Crew | Visual Effects | Animation |
Engelbert Humperdinck | Crew | Sound | Music |
Samuel Barber | Crew | Sound | Music |
Dana Schechter | Crew | Visual Effects | Animation |
Jaclyn Lee | Crew | Editing | First Assistant Editor, Associate Producer |
Victor Ilyukhin | Crew | Editing | Assistant Editor |
 Mia Bongiovanni | Crew | Production | Executive Producer |
Justine Pierce | Crew | Editing | Archival Footage Research |
Alexandra Eastman | Crew | Production | Executive Producer |
Lindsey Schneider | Crew | Editing | Archival Footage Research |
Jason Conradt | Crew | Visual Effects | Animation |
 Franco Zeffirelli | Cast | Actor | Self |
 Justino Díaz | Cast | Actor | Self (archive footage) |
 Leontyne Price | Cast | Actress | Self - interviewed |
Samuel Barber | Cast | Self | |
Rudolf Bing | Cast | Actor | Self |
Wallace Harrison | Cast | Self | |
Kyna Leski | Cast | Self | |
Hilary Ballon | Cast | Self | |
Robert Moses | Cast | Self | |
Rosalind Elias | Cast | Self | |
| Person | Type | Job | Role(s) |
