Powell attended the High School for the Performing and Visual Arts in Houston, TX. He was cast in the role of Carl Burnet in the 1993 film Dazed and Confused. Since, he has appeared in the films Hysteria: The Def Leppard Story, Drake Bell: The Untitled Project, Paper Cut, and Shiloh Falls. He has appeared in episodes of Beverly Hills, 90210, Touched by an Angel, CSI: Crime Scene Investigation, Reba, Dawson's Creek, Charmed, Gilmore Girls, House and Monk.
He is currently co-starring in the A&E Network series The Cleaner.