Justin Chatwin (born October 31, 1982) is a Canadian film actor, best known for playing the son of Tom Cruise's character in the Steven Spielberg-directed War of the Worlds, for his leading role in the 2007 Mystery/Thriller The Invisible and his role as Goku/Oozaru in Dragonball Evolution.
As well as War of the Worlds and The Invisible, his other film roles include the independent film The Chumscrubber, SuperBabies: Baby Geniuses 2 and Taking Lives.
In addition, Chatwin has had several television roles, including the miniseries, Taken & the hit TV show Lost. He also played the son of Kevin Nealon's character on the Showtime comedy series Weeds pilot. More recently, he appeared as Goku in 20th Century Fox's live action movie Dragonball Evolution.
Chatwin will portray songwriter and musician Emitt Rhodes in an upcoming film of the same name.
Chatwin was born in Nanaimo, British Columbia, the son of an artist/documentary filmmaker mother and an engineer father.