J. Parnell Thomas

Self

Acting

Albert Maltz

Self

Writing

Lester Cole

Self

Writing

Samuel Ornitz

Self

Writing

Adrian Scott

Self

Production

Alvah Bessie

Self

Writing

Edward Dmytryk

Self

Directing

Ring Lardner, Jr.

Self

Writing

John Howard Lawson

Self

Writing

Herbert J. Biberman

Self

Writing

Dalton Trumbo

Self

Writing

Lauren Bacall

Self (archive footage) (uncredited)

Acting

Richard Conte

Self (archive footage) (uncredited)

Acting

Richard Nixon

Self (archive footage) (uncredited)

Acting

Humphrey Bogart

Acting