Will Smith Dr. Bennet Omalu
Elizabeth Tulloch Keana Strzelczyk
Ridley Scott Producer
Richard T. Jones Andre Waters
Holt McCallany Angry Neurologist
Alec Baldwin Dr. Julian Bailes
Eddie Marsan Dr. Steven DeKosky
David Morse Mike Webster
Paul Reiser Dr. Elliot Pellman
Gugu Mbatha-Raw Prema Mutiso
Albert Brooks Dr. Cyril Wecht
Stephen Moyer Dr. Ron Hamilton
Adewale Akinnuoye-Agbaje Dave Duerson
Luke Wilson Roger Goodell
James Newton Howard Original Music Composer
Arliss Howard Dr. Joseph Maroon
Hill Harper Christopher Jones
Jason Davis Defense Attorney
Mike O'Malley Daniel Sullivan
Gary A. Hecker Foley
Joe Fishel Louisville Head Football Coach
Gary Grubbs FBI Agent
Matthew Willig Justin Strzelczyk
Giannina Facio Producer
L. Scott Caldwell Waters' Mother
Christopher Boyer Crockett (uncredited)
Joshua Elijah Reese Graveyard Tech
Eme Ikwuakor Amobi Okoye (uncredited)
Michelle Pazer Dialogue Editor
Mary Vernieu Casting
Andrew S. Eisen First Assistant Editor
Bruce Berman Executive Producer
Joni Bovill Mrs. Scott
Dana Kay Hart Costume Supervisor
Dan Ziskie Paul Tagliabue
John S. Moyer Camera Operator
Marisol Roncali Casting Associate
Jared Scott Justin Strelczyk (uncredited)
Michael Schaefer Executive Producer
Michael Minkler Sound Re-Recording Mixer
Jamie Dixon Visual Effects Supervisor
Lindsay Graham Ahanonu Casting
Jackson Nunn Church Member (uncredited)
Samara Lee Strzelczyk's Daughter
Gregory D. Liegey Visual Effects Supervisor
Chris Gallaher Makeup Effects
Amy Lyn Elliott Business Woman (uncredited)
Peter Landesman Writer, Director
Judy Murdock Makeup Artist
Dylan Goss Helicopter Camera
Kathrine Gordon Hair Department Head
Robert G. McKay Mr. Scott (uncredited)
Tami Lane Makeup Effects
Alison Moir Colleen Bailes
William Goldenberg Editor
Ben Waisbren Executive Producer
Robert Troy Dialogue Editor
Randy Kovitz Deputy Mayor
Ando Johnson Sound Effects Editor
Dihlon McManne Reporter at Westin
David Esparza Sound Designer
Salvatore Totino Director of Photography
Dayna Pink Costume Design
David Crank Production Design
Brian Greenway First Assistant Camera
Tracy Scott Script Supervisor
David Dale McCue Pittsburgh Police Officer (uncredited)
Rick Owens Foley
Michelle Eisenreich Visual Effects Producer
Melinda Sue Gordon Still Photographer
Buster Pile Construction Coordinator
Cindy Jackson Paramedic