Alec Baldwin

Dr. Julian Bailes

Bruce Berman

Executive Producer

Luke Wilson

Roger Goodell

Albert Brooks

Dr. Cyril Wecht

Ben Waisbren

Executive Producer

Elizabeth Tulloch

Keana Strzelczyk

Arliss Howard

Dr. Joseph Maroon

Matthew Willig

Justin Strzelczyk

Adewale Akinnuoye-Agbaje

Dave Duerson

Richard T. Jones

Andre Waters

Hill Harper

Christopher Jones

Will Smith

Dr. Bennet Omalu

Holt McCallany

Angry Neurologist

Gugu Mbatha-Raw

Prema Mutiso

Eddie Marsan

Dr. Steven DeKosky

Greg Basser

Executive Producer

Mike O'Malley

Daniel Sullivan

Paul Reiser

Dr. Elliot Pellman

David Morse

Mike Webster

Gary Grubbs

FBI Agent

Stephen Moyer

Dr. Ron Hamilton

L. Scott Caldwell

Waters' Mother

Jason Davis

Defense Attorney

David Crockett

Executive Producer

Michael Schaefer

Executive Producer

Peter Landesman

Writer

Sara Lindsey

Gracie

Kevin Jiggetts

FBI Agent

Joni Bovill

Mrs. Scott

Joshua Elijah Reese

Graveyard Tech

Jeanne Marie Laskas

Writer