Warner Bros. has released the trailer for its BBC Films collaboration, One Life, based upon a true story. The film stars both legendary actor Anthony Hopkins and Operation Mincemeat star Johnny Flynn as real-life hero Nicholas Winton at different parts in his life. In his youth, Winton became worried about all the Jewish children who had fled Nazi persecution in late 1930's Germany, and travelled from London to Prague to try and get as many out as possible. Warner Bros. Related: Anthony Hopkins lines up TV role in Gladiator-style series Although he managed to rescue almost 700 children before the...