The Athena Film Festival (AFF) at Barnard College will open its 2019 edition on Thursday, February 28, with the New York premiere of “Fast Color.” The film, directed by Julia Hart and written by Hart and Jordan Horowitz, stars Gugu Mbatha-Raw as a hero forced to run when her superhuman abilities are discovered. Years after abandoning her family, the only place she has left to hide is home. Lorraine Toussaint and David Strathairn co-star.