Watch Jake Gyllenhaal and Tatiana Maslany in the Stronger Trailer Lionsgate and Roadside Attractions have debuted the first trailer for the true life Boston Bombing drama Stronger, starring Jake Gyllenhaal and Tatiana Maslany. Check out the Stronger trailer below, and check out the movie when it opens on September 22, 2017. RELATED: CS Video: The Nocturnal Animals Cast Stronger is the inspiring true story of Jeff Bauman, an ordinary man who captured the hearts of his city and the world to become the symbol of hope following the infamous 2013 Boston Marathon bombing.