cast
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Bryan Cranston
Dalton Trumbo
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Adewale Akinnuoye-Agbaje
Virgil Brooks
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Louis C.K.
Arlen Hird
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David James Elliott
John Wayne
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Elle Fanning
Niki Trumbo
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John Goodman
Frank King
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Diane Lane
Cleo Trumbo
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Michael Stuhlbarg
Edward G. Robinson
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Alan Tudyk
Ian McLellan Hunter
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Helen Mirren
Hedda Hopper
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Dan Bakkedahl
Roy Brewer
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Roger Bart
Buddy Ross
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Christian Berkel
Otto Preminger
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Peter MacKenzie
Robert Kenny
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Dean O'Gorman
Kirk Douglas
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Richard Portnow
Louis B. Mayer
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Stephen Root
Hymie King
- Dave Maldonado Rocco
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John Getz
Sam Wood
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Laura Flannery
Party Goer
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Toby Nichols
Chris Trumbo (age 6-10)
- Joseph Martino Rally Participant
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Madison Wolfe
Niki Trumbo (age 8-11)
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Jason Bayle
Young Father
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James DuMont
J. Parnell Thomas
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Johnny Sneed
Robert Stripling
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Rio Hackford
Reporter
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Dane Rhodes
Reporter
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John Neisler
Jury Foreman
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Sean Bridgers
Jeff Krandall
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J.D. Evermore
Prison Guard
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PJ Marshall
Prison Guard
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Meghan Wolfe
Mitzi Trumbo (age 6-8)
- Mitchell Zakocs Chris Trumbo (age 10-12)
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Jason Kirkpatrick
Mover
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Wayne Péré
Next Door Neighbor
- A.J. Allegra Messenger
- Mattie Liptak Chris Trumbo (age 13-17)
- Becca Nicole Preston Mitzi Trumbo (age 9-12)
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Garrett Hines
Andrew Hird
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Mark Harelik
Ed Muhl
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Chris LeBlanc
Niki's Friend
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Ron Fassler
Journalist
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Jim Gleason
TV Interviewer
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Rick Kelly
John F. Kennedy
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Billy Slaughter
DC Reporter
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Griff Furst
Master of Ceremonies
- John Mark Skinner Chris Trumbo (age 29)
- Jaclyn Bethany Starlet (uncredited)
- Kate Kuen Ethel (uncredited)
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Suzanne LaChasse
Showgirl (uncredited)
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Rhonda Laizer
Trumbo Friend (uncredited)
- Veronica Parks Showgirl (uncredited)
- Anne Speed Juror (uncredited)