| William O'Leary | |
| Birth Date: | 19 October 1957[1] |
| Birth Place: | Chicago, Illinois, U.S. |
| Nationality: | American |
| Occupation: | Actor |
| Years Active: | 1985–present |
| Known For: | Home Improvement |
| Alma Mater: | |
William O'Leary (born October 19, 1957) is an American actor. He is best known for playing Marty Taylor on Home Improvement (1994–1999).
He was born in Chicago, Illinois[2] [1] and started acting at the age of 7.[2] He graduated from Highland Park High School in Highland Park, Illinois, in 1976.[2]
O'Leary received a degree in acting from Illinois State University[2] and in 1982 received an MFA from the University of Washington's Professional Actor Training Program.[2]
O'Leary made his Broadway debut in 1986 alongside Ed Harris and Judith Ivey as Art in Precious Sons at the Longacre Theatre.[3]
He played Marty Taylor, the younger brother of Tim Taylor (Tim Allen), on Home Improvement, and was the primary antagonist, General Xaviax, on .
| Year | Title | Role | Notes | |
|---|---|---|---|---|
| 1987 | Nice Girls Don't Explode | Andy | ||
| Walker | James Walker | |||
| 1988 | Bull Durham | Jimmy | ||
| Miami Vice | Scotty | Episode: "Bad Timing" | ||
| 1989 | Lost Angels | Link | ||
| 1991 | Flight of Black Angel | Capt. Eddie Gordon, Callsign Black Angel | ||
| Hot Shots! | Lieutenant Pete 'Dead Meat' Thompson | |||
| 1991–1992 | Dear John | Ben | 22 episodes | |
| 1993 | Adrian | |||
| 1994–1999 | Home Improvement | Martin "Marty" Taylor | 30 episodes | |
| 1994 | The Enemy Within | Lt. William Dorsett | ||
| 1995–1996 | Murder, She Wrote | FBI Agt. Ed Crider | 2 episodes | |
| 1996 | Ethan Tarrant | |||
| Project ALF | Capt. Rick Mullican | |||
| 1997 | Mad City | CTN Junior Executive #1 | ||
| A Time to Revenge | Lyle Whittmar | |||
| 2000 | Daybreak | Head of Security | ||
| The X-Files | Man at Gas Station | Episode: "Roadrunners" | ||
| 2002–2003 | Stewart Otis | 2 episodes: "Broken" & "Body Count" | ||
| 2003 | Mr. Smith | |||
| 2005 | Agent Jenkins | |||
| NUMB3RS | Roland Haldane | Pilot episode | ||
| 2007 | Moola | Mickey Fish | ||
| 2008 | Soccer Mom | Harley the Tournament Director | ||
| 2009 | Xaviax | Recurring cast | ||
| 24 | Sid Paulson | 2 episodes | ||
| 2011 | In My Pocket | Mr. Jameson | ||
| 2016 | Is That a Gun in Your Pocket? | Sam Graves |