| Person | Type | Job | Role(s) |
|---|---|---|---|
 Elisa Plaza | Crew | Production | Line Producer |
 Llorenç Soler | Crew | Writing | Writer |
Carles Pedragosa | Crew | Sound | Original Music Composer |
David Gutiérrez Camps | Crew | Editing | Editor |
Oriol Porta | Crew | Directing | Director, Executive Producer, Writer |
Fernando Novillo | Crew | Sound | Sound Engineer |
Bonnie Rowan | Crew | Production | Researcher |
Joan Cohen | Crew | Production | Researcher |
Alejandro Castillo | Crew | Sound | Sound Recordist |
Pere Aguilar | Crew | Sound | Sound Mixer |
Lisa Berger | Crew | Production | Associate Producer, Producer, Researcher |
David García | Crew | Camera | Director of Photography |
Javier García | Crew | Sound | Sound Recordist |
Isabel Andrés | Crew | Production | Researcher, Assistant Director, Writer |
Cristina Mora | Crew | Production | Producer, Researcher |
Roberta Helling | Crew | Production | Researcher |
Robert Memos | Crew | Production | Researcher |
Miguel Ángel Rubio | Crew | Sound | Sound Recordist |
 Adolf Hitler | Cast | Actor | Self (archive footage) |
Alvah Bessie | Cast | Actor | Self - Screenwriter (archive footage) |
 Arthur Laurents | Cast | Actor | Self - Screenwriter |
 Dalton Trumbo | Cast | Actor | Self (archive footage) |
 Dwight D. Eisenhower | Cast | Actor | Self (archive footage) |
 Edward Dmytryk | Cast | Actor | Self - Director (archive footage) |
Eric Johnston | Cast | Self - MPAA President (archive footage) | |
 Ernest Hemingway | Cast | Actor | Self - Writer (archive footage) |
 Francisco Franco | Cast | Actor | Self (archive footage) |
 Franklin D. Roosevelt | Cast | Actor | Self (archive footage) |
 John Garfield | Cast | Actor | John 'Kit' McKittrick / Self (archive footage) |
 Joseph I. Breen | Cast | Actor | Self - PCA Administrator (archive footage) |
 Joseph Stalin | Cast | Actor | Self (archive footage) |
 Lluís Soler | Cast | Actor | Alvah Bessie (voice) |
 Manuel Fraga | Cast | Actor | Self (archive footage) |
 Román Gubern | Cast | Actor | Self - Film Historian / Screenwriter |
 Susan Sarandon | Cast | Actress | Self - Actress |
 Walter Bernstein | Cast | Actor | Self - Screenwriter |
Moe Fishman | Cast | Self - Abraham Lincoln Brigade Member | |
Dan Bessie | Cast | Actor | Self - Alvah Bessie's Son |
Patrick McGilligan | Cast | Actor | Self - Writer |
| Person | Type | Job | Role(s) |
