James started his career in acting when he was very young. While still at school he landed a part in a remake of Lord of the Flies.
Soon after in 1990 James was cast as the lead in the movie Radio Flyer, but unfortunately after two weeks of filming, production was stopped and the director was fired. James role was recast, and eventually given to Elijah Wood.
After this James stopped acting for around 10 years.
In 2002, James got cast in an independant film, Nola. From then on he has had roles although often relatively small, in several films and television shows.
He is probably best known for his role in the third season of 24. He played the character of Chase Edmunds, Jack Bauer's partner in the Field Ops division of CTU. His character was also having a relationship with Kim Bauer, Jacks daughter.
Since 24 he has had several roles on shows such as CSI: Crime Scene Investigation, and Rescue Me.