Taran Noah Smith (born April 8, 1984) is an American actor. He is most notably known for his portrayal of Marcus "Mark" Jason Taylor on the sitcom Home Improvement.
Smith was born in San Francisco, California to David Smith and Candy Bennici. He is of Scottish, Irish, Swedish and Italian descent. Smith has an older sister, Aria Smith (b. 1977), who was a child model. Taran is named for the main character in Lloyd Alexander's Chronicles of Prydain series of novels for young adults.
Smith taught himself to play the drums, and his favorite school subjects were math and art. Smith graduated from high school at fifteen, and briefly attended USC. He was accepted to USC's Film School, but dropped out shortly after beginning classes.