Bryan Cranston
Dalton Trumbo
Adewale Akinnuoye-Agbaje
Virgil Brooks
David James Elliott
John Wayne
Michael Stuhlbarg
Edward G. Robinson
Alan Tudyk
Ian McLellan Hunter
Christian Berkel
Otto Preminger
Peter MacKenzie
Robert Kenny
Dean O'Gorman
Kirk Douglas
Richard Portnow
Louis B. Mayer
Toby Nichols
Chris Trumbo (age 6-10)
Joseph Martino
Rally Participant
Madison Wolfe
Niki Trumbo (age 8-11)
James DuMont
J. Parnell Thomas
Johnny Sneed
Robert Stripling
Sean Bridgers
Jeff Krandall
J.D. Evermore
Prison Guard
Meghan Wolfe
Mitzi Trumbo (age 6-8)
Mitchell Zakocs
Chris Trumbo (age 10-12)
Wayne Péré
Next Door Neighbor
Mattie Liptak
Chris Trumbo (age 13-17)
Becca Nicole Preston
Mitzi Trumbo (age 9-12)
Chris LeBlanc
Niki's Friend
Jim Gleason
TV Interviewer
Rick Kelly
John F. Kennedy
Billy Slaughter
DC Reporter
Griff Furst
Master of Ceremonies
John Mark Skinner
Chris Trumbo (age 29)
Jaclyn Bethany
Starlet (uncredited)
Kate Kuen
Ethel (uncredited)
Suzanne LaChasse
Showgirl (uncredited)
Rhonda Laizer
Trumbo Friend (uncredited)
Veronica Parks
Showgirl (uncredited)
Anne Speed
Juror (uncredited)
