Worm is a fictional character from the 1998 crime drama film "Rounders," directed by John Dahl. Portrayed by Edward Norton, Worm is a charismatic yet unscrupulous gambler and the childhood friend of the film's protagonist, Mike McDermott. Recently released from prison, Worm is known for his manipulative nature and penchant for cheating at poker, which often lands him in trouble. His influence tests Mike's loyalty and challenges his commitment to escaping the risky underground poker world. Despite his flaws, Worm's quick wit and resourcefulness make him a memorable and pivotal character in the film.