Characters played by Bryan Cranston
Dalton Trumbo
Characters played by Michael Stuhlbarg
Edward G. Robinson
Characters played by David Maldonado
Rocco
Characters played by John Getz
Sam Wood
Characters played by Diane Lane
Cleo Trumbo
Characters played by Laura Flannery
Party Goer
Characters played by Helen Mirren
Hedda Hopper
Characters played by David James Elliott
John Wayne
Characters played by Toby Nichols
Chris Trumbo (age 6-10)
Characters played by Joseph S. Martino
Rally Participant
Characters played by Madison Wolfe
Niki Trumbo (age 8-11)
Characters played by Jason Bayle
Young Father
Characters played by James DuMont
J. Parnell Thomas
Characters played by Alan Tudyk
Ian McLellan Hunter
Characters played by Louis C.K.
Arlen Hird
Characters played by Dan Bakkedahl
Roy Brewer
Characters played by Richard Portnow
Louis B. Mayer
Characters played by Roger Bart
Buddy Ross
Characters played by Johnny Sneed
Robert Stripling
Characters played by Rio Hackford
Reporter
Characters played by Dane Rhodes
Reporter
Characters played by Peter Mackenzie
Robert Kenny
Characters played by John Neisler
Jury Foreman
Characters played by Sean Bridgers
Jeff Krandall
Characters played by J.D. Evermore
Prison Guard
Characters played by P.J. Marshall
Prison Guard
Characters played by Adewale Akinnuoye-Agbaje
Virgil Brooks
Characters played by Meghan Wolfe
Mitzi Trumbo (age 6-8)
Characters played by Mitchell Zakocs
Chris Trumbo (age 10-12)
Characters played by Elle Fanning
Niki Trumbo
Characters played by John Goodman
Frank King
Characters played by Stephen Root
Hymie King
Characters played by Jason Kirkpatrick
Mover
Characters played by Wayne Pére
Next Door Neighbor
Characters played by A.J. Allegra
Messenger
Characters played by Mattie Liptak
Chris Trumbo (age 13-17)
Characters played by Becca Nicole Preston
Mitzi Trumbo (age 9-12)
Characters played by Dean O'Gorman
Kirk Douglas
Characters played by Garrett Hines
Andrew Hird
Characters played by Chris LeBlanc
Niki's Friend
Characters played by Ron Fassler
Journalist
Characters played by Christian Berkel
Otto Preminger
Characters played by Mark Harelik
Edward 'Ed' Muhl
Characters played by Jim Gleason
TV Interviewer
Characters played by Rick Kelly
President John F. Kennedy
Characters played by Billy Slaughter
DC Reporter
Characters played by Griff Furst
Master of Ceremonies
Characters played by John Mark Skinner
Chris Trumbo (age 29)
Characters played by Eddie Albert
Irving Radovich in Roman Holiday
Characters played by Jerome Andries
Writers Guild Member
Characters played by Michael D. Anglin
Prisoner
Characters played by Lauren Bacall
Self
Characters played by Lucille Ball
Self
Characters played by Henry Bauer IV
Prisoner
Characters played by Tony Beard
Congressman
Characters played by Jaclyn Bethany
Starlet
Characters played by Humphrey Bogart
Self
Characters played by Patton Brantley
Waiter
Characters played by Eugene Brezany
Backyard Reporter
Characters played by Tom Cain
Police officer
Characters played by David Michael Cefalu
News Reporter
Characters played by Ron Centanni
Hearing Attendee
American Legion Member
Characters played by John C. Coffman
Legionaire
Banquet Attendee
Characters played by Jim Conroy
News Reel Voice Overs
Characters played by Robert D'Arensbourg
Adrian Scott
Characters played by Andrew Downs
News Reporter
American Legion
Characters played by Ted Ferguson
Maitre d
Characters played by Joseph Fischer
D.C. Courtroom Bailiff
Characters played by Brandon Fontenot
Waiter
Characters played by James Garner
Self
Characters played by Cary Grant
Self
Characters played by Allyson Guay
Movie Theatre patron
Characters played by Richard Halverson
Studio Executive
Characters played by Gene Kevin Hames Jr.
U.S. Marshall #2
Characters played by Bob Hartnack
Prisoner
Characters played by Elton Hartzler
Theatre Goer
Protester
Characters played by P. Michael Hayes II
Waiter
Characters played by Audrey Hepburn
Princess Ann
Characters played by Nick Hwang
Japanese Soldier
Characters played by Don Jarrells
Older Man at Funeral
Characters played by Pat Jarrells
Older Woman at Funeral
Characters played by Tiffany Michaela Jones
Vivacious Receptionist
Characters played by Danny Kaye
Self
Characters played by Eddie Kendrick
Congressman
Characters played by John F. Kennedy
Self
Characters played by Deborah Kerr
Self
Characters played by Steve Kish
News Reporter
Photographer
American Legion
Characters played by Donald M. Krause
Journalist
Characters played by Kate Kuen
Ethel
Characters played by Jenny Lacey
Starlet
Premiere Attendee
Characters played by Suzanne LaChasse
Showgirl
Characters played by Rhonda Laizer
Trumbo Friend
Characters played by Robert Larriviere
Party Guest
Characters played by Jesse Lasky Jr.
Self
Characters played by C.J. LeBlanc
Niki's Friend
Characters played by Cynthia LeBlanc
Trumbo Neighbor
Characters played by Elton LeBlanc
Private Eye
Banquet Guest
Characters played by Jerry Lewis
Self
Characters played by Eduardo Losan
Busboy
Characters played by Joseph McCarthy
Self
Characters played by Carlye McIntosh
Gladys Robinson
Characters played by Chris McKnight
Marty
Characters played by Elijah Miskowski
Hunter's Son
Characters played by Duane Moseley
Prison Guard
Characters played by Richard Nixon
Self
Characters played by Laurence Olivier
Crassus
Characters played by Veronica Parks
Showgirl
Characters played by Gregory Peck
Joe Bradley
Characters played by Charles Pitre
EGR friend
Air field cop
clerk
Characters played by Philippe Radelet
Assistant chief investigator
Characters played by Ronald Reagan
Self
Characters played by Gus Rhodes
Albert Maltz
Characters played by Roger Rignack
Limo Driver
Characters played by Michael Rollins
Premiere Attendee
Reporter
Banquet Attendee
Characters played by Ethel Rosenberg
Self
Characters played by Julius Rosenberg
Self
Characters played by Daniel Ross Owens
Enlisted Man
Characters played by William Schaff
Warden
Characters played by Louis Scherschel
Young studio executive
Characters played by Kari Shemwell
Ross's Girlfriend
Characters played by Paula Shreve
Concession Stand Lady
Spartacus Premiere Attendee
Characters played by Jean Simmons
Varinia
Characters played by Anne Speed
Juror
Characters played by Iosif Stalin
Self
Characters played by Laura Stratton
Make-up Artist
Characters played by Woody Strode
Draba
Characters played by Lonna Surla
Laugher
Characters played by Robert Taylor
Self
Characters played by John Teal Jr.
John
Characters played by Yana Trofimova
Showgirl
Characters played by Dalton Trumbo
Self
Characters played by Bob Walker
Blacklist Member
Characters played by Luke J. Watson
Actor
Characters played by Mark Webster
Alvah Bessie
Characters played by Brian Les Weinberger
Poolside bartender
Characters played by Michael Wozniak
Roman Senator