An American actor, musician, and songwriter, he gained fame in the late 1990s and early 2000s. He is best known for his role as Landon Carter in the romantic drama "A Walk to Remember" and as Dr. Ray Barnett on the television series "ER." He also portrayed Michael Bishop in the action series "Nikita." Beyond acting, he was the lead singer of the punk rock band Jonny Was and later joined the band Twilight Creeps. His career spans both film and television, capturing diverse roles across genres.