Concussion - Official International Trailer

Tell the truth. Watch Will Smith transform into Dr. Bennet Omalu. #ConcussionMovie Subscribe to Sony Pictures for exclusive video updates: In Cinemas 2015. 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,