Kountz has been on television and in movies. In 1998, he played Ray "The Hood" Wood in Fifteen and Pregnant, where he acted alongside Kirsten Dunst. In 2001, he played Kal in Halloweentown II: Kalabar's Revenge, where he acted alongside Kimberly J. Brown. He also was in an episode of Ghost Whisperer, titled Ghost in the Machine, as the avatar. He has also had parts in Just Shoot Me, 3rd Rock from the Sun, Crossing Jordan, and a few others.