Concussion is a new released Drama movie of Hollywood. It is released on 4 October 2013. The IMDb rating of this film is 5.8 out of 10. It is directed and written by Stacie Passon. It is starring Jonathan Tchaikovsky, Robin Weigert and Maggie Siff. You can watch Concussion official movie trailer for free with good audio and video quality without create any sign up account.