Dalton Trumbo

Virgil Brooks

Arlen Hird

John Wayne

Niki Trumbo

Frank King

Cleo Trumbo

Edward G. Robinson

Ian McLellan Hunter

Hedda Hopper

Roy Brewer

Buddy Ross

Otto Preminger

Robert Kenny

Kirk Douglas

Louis B. Mayer

Hymie King

Rocco

Sam Wood

Party Goer

Chris Trumbo (age 6-10)

Rally Participant

Niki Trumbo (age 8-11)

Young Father

J. Parnell Thomas

Robert Stripling

Reporter

Reporter

Jury Foreman

Jeff Krandall

Prison Guard

Prison Guard

Mitzi Trumbo (age 6-8)

Chris Trumbo (age 10-12)

Mover

Next Door Neighbor

Messenger

Chris Trumbo (age 13-17)

Mitzi Trumbo (age 9-12)

Andrew Hird

Ed Muhl

Niki's Friend

Journalist

TV Interviewer

John F. Kennedy

DC Reporter

Master of Ceremonies

Chris Trumbo (age 29)

Starlet (uncredited)

Ethel (uncredited)

Showgirl (uncredited)

Trumbo Friend (uncredited)

Showgirl (uncredited)

Juror (uncredited)

Costume & Make-Up

Production

Production

Directing

Art

Art

Acting

Directing

Costume & Make-Up

Directing

Writing

Writing

Production

Production

Production

Production

Writing

Production

Production

Production

Production

Sound

Camera

Editing

Production

Art

Art

Crew

Crew

Camera

Camera