Herbert Biberman
Gale Sondergaard
Michael Wilson
Rosaura Revueltas
Riffkind
Juan Chacón
Paul Jarrico
Sonya
Edward Dmytryk
Jack Warner
Floyd
Henrietta Williams
Joe Morales
Dan
Joan
Radio Announcer
Humphrey Bogart
The Drunk
Dalton Trumbo
Ben Margolis
Father Devlin
Bill
1st FBI Agent
George Jessel
Lewis
Comedian
Lee
Parnell Thomas
Teacher
Solly Davies
Will Geer
George Hanson
Mrs. McGuire
Sheriff Dixon
Roos
Mary Lou Castillo
Moses
Stanley Meredith, director of photography
Young Thug
Judge
Thug
Thug's Wife
Governor
Sergeant
Junkie
2nd FBI Agent
Reporter - HUAC
José
Alva Bessie
Lab Supervisor
Ring Lardner Jr.
1st Prison Guard
Actor 1
Actor 2
Actor 3
Jack Warner's Secretary
Howard Hughes