Marlo (Nina Dobrev) in Columbia Pictuers’ FLATLINERS. Published June 13, 2017 at 900 × 601 in Watch Nina Dobrev in the NEW Flatliners Trailer! Plus Stills from the Movie! Welcome to Vampire Diaries Online! Want to stay up to date on the latest Vampire Diaries spoilers and news? Then subscribe to our RSS feed. You can also follow us on Twitter! Follow @tvdfansonline Previous Next