Will Smith Dr. Bennet Omalu
Ridley Scott Producer
Richard T. Jones Andre Waters
Holt McCallany Angry Neurologist
Alec Baldwin Dr. Julian Bailes
David Morse Mike Webster
Albert Brooks Dr. Cyril Wecht
Paul Reiser Dr. Elliot Pellman
Stephen Moyer Dr. Ron Hamilton
Gugu Mbatha-Raw Prema Mutiso
Luke Wilson Roger Goodell
Eddie Marsan Dr. Steven DeKosky
Adewale Akinnuoye-Agbaje Dave Duerson
Elizabeth Tulloch Keana Strzelczyk
Mike O'Malley Daniel Sullivan
Michael Minkler Sound Re-Recording Mixer
Arliss Howard Dr. Joseph Maroon
James Newton Howard Original Music Composer
Hill Harper Christopher Jones
Matthew Willig Justin Strzelczyk
William Goldenberg Editor
Jason Davis Defense Attorney
Gary Grubbs FBI Agent
Jared Scott Justin Strelczyk (uncredited)
Mary Vernieu Casting
Gary A. Hecker Foley
Giannina Facio Producer
Matthew Cavaliero Property Master
Dontez James Corpse (uncredited)
Chris Gallaher Makeup Effects
L. Scott Caldwell Waters' Mother
Joe Fishel Louisville Head Football Coach
Tami Lane Makeup Effects
Kevin Jiggetts FBI Agent
Samara Lee Strzelczyk's Daughter
David Flick Hospital Security Guard
Joshua Elijah Reese Graveyard Tech
Jamie Dixon Visual Effects Supervisor
Eme Ikwuakor Amobi Okoye (uncredited)
David Crockett Executive Producer
Lindsay Graham Ahanonu Casting
Jackson Nunn Church Member (uncredited)
Amy Lyn Elliott Business Woman (uncredited)
Marisol Roncali Casting Associate
Jeanne Marie Laskas Writer
Robert Troy Dialogue Editor
John S. Moyer Camera Operator
Michelle Pazer Dialogue Editor
Joni Bovill Mrs. Scott
Michael Schaefer Executive Producer
Bruce Berman Executive Producer
Dylan Goss Helicopter Camera
David Crank Production Design
Melinda Sue Gordon Still Photographer
Dave McMoyler Supervising Sound Editor
Gregory D. Liegey Visual Effects Supervisor
Dan Ziskie Paul Tagliabue
Sherri Bramlett Key Hair Stylist
Peter Landesman Writer, Director
Kathrine Gordon Hair Department Head
Judy Murdock Makeup Artist
Jay Kemp Gaffer
Dayna Pink Costume Design
Sara Lindsey Gracie
Christopher Boyer Crockett (uncredited)
Andrew S. Eisen First Assistant Editor
Christian P. Minkler Sound Re-Recording Mixer
Tracy Scott Script Supervisor
David Esparza Sound Designer
Dan Anders College Coach
Dihlon McManne Reporter at Westin
Nathan Hollabaugh Young Reporter