Will Smith character Dr. Bennet Omalu
Alec Baldwin character Dr. Julian Bailes
Albert Brooks character Dr. Cyril Wecht
Gugu Mbatha-Raw character Prema Mutiso
David Morse character Mike Webster
Arliss Howard character Dr. Joseph Maroon
Mike O'Malley character Daniel Sullivan
Eddie Marsan character Dr. Steven DeKosky
Hill Harper character Christopher Jones
Adewale Akinnuoye-Agbaje character Dave Duerson
Stephen Moyer character Dr. Ron Hamilton
Richard T. Jones character Andre Waters
Paul Reiser character Dr. Elliot Pellman
Luke Wilson character Roger Goodell
Matthew Willig character Justin Strzelczyk
Elizabeth Tulloch character Keana Strzelczyk
Jason Davis character Defense Attorney
Sara Lindsey character Gracie
Kevin Jiggetts character FBI Agent
Gary Grubbs character FBI Agent
L. Scott Caldwell character Waters' Mother
Joni Bovill character Mrs. Scott
Joshua Elijah Reese character Graveyard Tech
Holt McCallany character Angry Neurologist
David Flick character Hospital Security Guard
Kelley Davis character Assistant
Samara Lee character Strzelczyk's Daughter
Nathan Hollabaugh character Young Reporter
Britanni Johnson character Rachel Green
Randy Kovitz character Deputy Mayor
Dan Ziskie character Paul Tagliabue
Larry John Meyers character Father D'Amico
Dan Anders character College Coach
Jeb Keller character High School Coach
Jackie Schafer character TV Reporter (Webster Site)
Mike Clark character TV Reporter (Interview)
Jared Pfennigwerth character Tech
Phillip Chorba character Tech
Alison Moir character Colleen Bailes
Dino Rende character Strzelczyk's Son
Cindy Jackson character Paramedic
Scott Miller character Contractor
Michael Schaich character Security Guard
Hennessey Joseph character NFL Employee
Antonia Long character Piano Player
Lisa Earley character Lodi Morgue Tech
Ann B. Betters character Cantor
Joe Fishel character Louisville Head Football Coach
Dihlon McManne character Reporter at Westin
Brittney Aleah character Altar Server (uncredited)
Christopher Boyer character Crockett (uncredited)
Deborah Charity character Attorney (uncredited)
Cara Clark character Strzelczyk's Teen Daughter (uncredited)
Amy Lyn Elliott character Business Woman (uncredited)
Joe Gallipoli character Doctor (uncredited)
Carmen Gangale character Doctor (uncredited)
Trevor Lee Georgeson character NFL Mourner (uncredited)
David Gragg character Football Coach (uncredited)
Eme Ikwuakor character Amobi Okoye (uncredited)
Dontez James character Corpse (uncredited)
Wendell Kinney character NFL Football Player (uncredited)
David Dale McCue character Pittsburgh Police Officer (uncredited)
Ben McDonnell character Young Webster (uncredited)
Robert G. McKay character Mr. Scott (uncredited)
Tiffany Sander McKenzie character NFL Lawyer (uncredited)
F. Robert McMurray character NFL Lawyer (uncredited)
Kimberly Ryans character Business Woman (uncredited)
Kelly Trumbull character Receptionist (uncredited)
P. Scott Conner character ER Doctor
Jared Scott character Justin Strelczyk (uncredited)
