Justin Chatwin (born October 31, 1982) is a Canadian actor, known for his roles in War of the Worlds (2005), The Invisible (2007), Dragonball Evolution (2009), No Stranger Than Love (2015), and Urge (2016). He had supporting roles in Taking Lives (2004), Baby Geniuses 2 (2004), and Funkytown (2011).
Chatwin is also known for his work in the Showtime comedy-drama series Shameless. In 2016, he starred in the CBS mystery series American Gothic. He was also the principal guest-star in the 2016 Christmas special of the BBC1 series Doctor Who in The Return of Doctor Mysterio.
Chatwin was born in Nanaimo, British Columbia, to Suzanne, an artist, and Brian Chatwin, an engineer. He was raised Catholic alongside his two sisters, Brianna and Claire. Chatwin studied commerce at the University of British Columbia and took acting lessons in his spare time. He moved to Los Angeles in 2005 and lived for a time with actor Noel Fisher.