Concussion (2015) - Cast

Will Smith as Dr. Bennet Omalu
Gugu Mbatha-Raw as Prema Mutiso
Alec Baldwin as Dr. Julian Bailes
Adewale Akinnuoye-Agbaje as Dave Duerson
Eddie Marsan as Dr. Steven DeKosky
Stephen Moyer as Dr. Ron Hamilton
Luke Wilson as Roger Goodell (rumored)
Bitsie Tulloch as Keana Strzelczyk
David Morse as Mike Webster
Matthew Willig as Justin Strzelczyk
Albert Brooks as Dr. Cyril Wecht
Richard T. Jones as Andre Waters
Sara Lindsey as Gracie
Mike O'Malley as Daniel Sullivan
Arliss Howard as Dr. Joseph Maroon