Actor will star and produce in thriller. Mark Walhberg is attached to star in the thriller ‘The Disciple Program’ for director Morten Tyldum (‘Headhunters’), reports Variety. Penned by newcomer Tyler Marceca, the spec script revolves around a man investigating his wife’s mysterious death only to find out it goes much deeper than he imagined. Wahlberg and Steve Levinson will produce through their Leverage Entertainment banner. Bradley Cooper (‘The Hangover’) was previously in line to star, with Joel Silver set to produce.