FLATLINERS Domestic and International Trailers Experience the first FLATLINERS domestic and international trailers! The film, directed by Niels Arden Oplev (Dead Man Down, The Girl with the Dragon Tattoo), stars Ellen Page, Nina Dobrev, Kiersey Clemons, Diego Luna, James Norton, and Kiefer Sutherland. FLATLINERS will be released in theaters on September 29. Medical students experiment on “near death” experiences that involve past tragedies until the dark consequences begin to jeopardize their lives.