Justin Chatwin (born October 31, 1982) is a Canadian actor. He began his career in 2001 with a brief appearance in the musical comedy Josie and the Pussycats. Following his breakthrough role as Robbie Ferrier in the blockbuster War of the Worlds (2005), Chatwi...

Throughout the 2000s, Chatwin made guest appearances in several television series including Weeds and Lost. His first regular role was on the Showtime comedy-drama Shameless, where he portrayed Jimmy Lishman between 2011 and 2015. Chatwin starred as a cartoonist in the CBS murder mystery drama American Gothic (2016), and also that year he appeared as superhero Grant Gordon / The Ghost in the Doctor Who Christmas special "The Return of Doctor Mysterio". From 2019 to 2021, Chatwin played scientist Erik Wallace in Netflix's Another Life. Chatwin's journey from Vancouver to Patagonia on motorcycle was depicted in the documentary series No Good Reason (2020), which he also executive produced.