Bryan Cranston
Dalton Trumbo
Michael Stuhlbarg
Edward G. Robinson
David James Elliott
John Wayne
Toby Nichols
Chris Trumbo (age 6-10)
Joseph S. Martino
Rally Participant
Madison Wolfe
Niki Trumbo (age 8-11)
James DuMont
J. Parnell Thomas
Alan Tudyk
Ian McLellan Hunter
Richard Portnow
Louis B. Mayer
Johnny Sneed
Robert Stripling
Peter Mackenzie
Robert Kenny
Sean Bridgers
Jeff Krandall
P.J. Marshall
Prison Guard
Adewale Akinnuoye-Agbaje
Virgil Brooks
Meghan Wolfe
Mitzi Trumbo (age 6-8)
Mitchell Zakocs
Chris Trumbo (age 10-12)
Wayne Pére
Next Door Neighbor
Mattie Liptak
Chris Trumbo (age 13-17)
Becca Nicole Preston
Mitzi Trumbo (age 9-12)
Chris LeBlanc
Niki's Friend
Christian Berkel
Otto Preminger
Mark Harelik
Edward 'Ed' Muhl
Jim Gleason
TV Interviewer
Rick Kelly
President John F. Kennedy
Billy Slaughter
DC Reporter
Griff Furst
Master of Ceremonies
John Mark Skinner
Chris Trumbo (age 29)
Jerome Andries
Writers Guild Member
Michael D. Anglin
Prisoner
Eugene Brezany
Backyard Reporter
David Michael Cefalu
News Reporter
Ron Centanni
Hearing Attendee / American Legion Member
John C. Coffman
Legionaire / Banquet Attendee
Jim Conroy
News Reel Voice Overs
Robert DArensbourg
Adrian Scott
Andrew Downs
News Reporter / American Legion
Joseph Fischer
D.C. Courtroom Bailiff
Allyson Guay
Movie Theatre patron
Richard Halverson
Studio Executive
Gene Kevin Hames Jr.
U.S. Marshall #2
Elton Hartzler
Theatre Goer / Protester
P. Michael Hayes II
Waiter
Nick Hwang
Japanese Soldier
Don Jarrells
Older Man at Funeral
Pat Jarrells
Older Woman at Funeral
Tiffany Michaela Jones
Vivacious Receptionist
Eddie Kendrick
Congressman
Steve Kish
News Reporter / Photographer / American Legion
Donald M. Krause
Journalist
Jenny Lacey
Starlet / Premiere Attendee
Rhonda Laizer
Trumbo Friend
Robert Larriviere
Party Guest
C.J. LeBlanc
Niki's Friend
Cynthia LeBlanc
Trumbo Neighbor
Elton LeBlanc
Private Eye / Banquet Guest
Carlye McIntosh
Gladys Robinson
Elijah Miskowski
Hunter's Son
Duane Moseley
Prison Guard
Charles Pitre
EGR friend / Air field cop / clerk
Philippe Radelet
Assistant chief investigator
Michael Rollins
Premiere Attendee / Reporter / Banquet Attendee
Daniel Ross Owens
Enlisted Man
Louis Scherschel
Young studio executive
Kari Shemwell
Ross's Girlfriend
Paula Shreve
Concession Stand Lady / Spartacus Premiere Attendee
Laura Stratton
Make-up Artist
Bob Walker
Blacklist Member
Brian Les Weinberger
Poolside bartender
Michael Wozniak
Roman Senator