| Person | Type | Job | Role(s) |
|---|---|---|---|
 John Berry | Crew | Directing | Director, Writer |
 Nicolas Hayer | Crew | Camera | Director of Photography |
Adrian Scott | Cast | Self | |
 Albert Maltz | Cast | Actor | Self |
Alvah Bessie | Cast | Actor | Self |
 Dalton Trumbo | Cast | Actor | Self |
 Edward Dmytryk | Cast | Actor | Self |
 Herbert J. Biberman | Cast | Actor | Self |
 Humphrey Bogart | Cast | Actor | |
J. Parnell Thomas | Cast | Self | |
 John Howard Lawson | Cast | Actor | Self |
 Lauren Bacall | Cast | Actress | Self (archive footage) (uncredited) |
Lester Cole | Cast | Actor | Self |
 Richard Conte | Cast | Actor | Self (archive footage) (uncredited) |
 Richard Nixon | Cast | Actor | Self (archive footage) (uncredited) |
 Ring Lardner, Jr. | Cast | Actor | Self |
Samuel Ornitz | Cast | Actor | Self |
| Person | Type | Job | Role(s) |
