He gained fame as Anakin Skywalker and Darth Vader in Star Wars Episodes II and III. His portrayal of Sam in Life as a House earned him a Golden Globe nomination for Best Supporting Actor in 2001.
He played young Anakin Skywalker in two of the Star Wars films, and his first role was on a Canadian TV series at age 12.
He starred alongside Ewan McGregor in the Star Wars Thriller, Attack of the Clones.
He did his first commercial at 8 years old for Pringles. He played hockey and tennis while in high school.
He has an older brother named Tove and an older sister named Hejsa. His younger sister is Kaylen. He began dating co-star Rachel Bilson in 2007 after meeting her on the set of Jumper. He and Bilson had a daughter named Briar Rose on October 29, 2014.