CONCUSSION International Trailer and More Promotional Videos Don’t miss the new CONCUSSION international trailer and more promotional videos! The film, written and directed by Peter Landesman (Parkland), stars Will Smith, Alec Baldwin, Adewale Akinnuoye-Agbaje, Gugu Mbatha-Raw, Luke Wilson, David Morse, Richard T. Jones, Arliss Howard, and Albert Brooks. CONCUSSION will be released in theaters on December 25. Will Smith stars in Concussion, a dramatic thriller based on the incredible true David vs. Goliath story of American immigrant Dr. Bennet Omalu, the brilliant forensic neuropathologist who made the first discovery of CTE, a football-related brain trauma, in a pro player and fought for the truth to be known. Omalu’s emotional quest puts him at dangerous odds with one of the most powerful institutions in the world.