William O'Leary
William O'Leary (born October 19, 1957) is an American actor. Bill made his Broadway debut as "Art" in "Precious Sons" at the Longacre Theatre, (3/20/1986 - 5/10/1986) starring Ed Harris (1986 Drama Desk Award Winner) and Judith Ivey.He played Marty Taylor, Tim Taylor's (Tim Allen) little brother on Home Improvement. His most recent regular role was the primary antagonist, General Xaviax, on Kamen Rider: Dragon Knight.He was born in Chicago, Illinois. He graduated from Highland Park High School in Highland Park, IL (suburban Chicago) in 1976. He also earned his MFA at the prestigious Professional Actors Theatre Program at the University of Washington in Seattle in 1982.