William O'Leary
- Acting
- October 19, 1957 · Chicago, Illinois, USA
Known for
Filmography
- Is That a Gun in Your Pocket? · Sam Graves
- Bosch · Vincent Ackles
- Love Bites · Ty
- Shameless · Sgt. Rucker
- Law & Order: LA · Joe Laight
- Rizzoli & Isles · Worster
- NCIS: Los Angeles · Harry Zinetti
- Kamen Rider: Dragon Knight · Xaviax
- Moola · Mickey Fish
- Big Love · Ronny
- Miss Congeniality 2: Armed and Fabulous · Agent Jenkins
- Numb3rs · Roland Haldane
- NCIS · Martin Freydano
- Terminator 3: Rise of the Machines · Mr. Smith
- Tremors · George Meadows
- Miracles · Alan
- American Dreams
- Without a Trace · Carey Chase
- CSI: Miami · Stewart Otis
- 24 · Sid Paulson
- The Guardian · Brad Fulton
- Daybreak · Head of Security
- The District · Don Hardin
- The West Wing · Fish and Wildlife Deputy
- Elvis Has Left the Building · Danny
- Mad City · CTN Junior Executive
- A Time to Revenge · Lyle Whittmar
- Sabrina, the Teenage Witch · Policeman (uncredited)
- Project: ALF · Capt. Rick Mullican
- Candyman: Farewell to the Flesh · Ethan Tarrant
- Chicago Hope · Mr. Loey
- The Enemy Within · Lt. William Dorsett
- The X-Files · Gas Station Man
- In the Line of Duty: Ambush in Waco · Adrian
- Home Improvement · Marty Taylor
- Hot Shots! · Pete 'Dead Meat' Thompson
- Flight of Black Angel · Capt. Eddie Gordon
- Lost Angels · Link
- Dear John · Ben Conners
- Bull Durham · Jimmy
- Walker · James Walker
- Nice Girls Don't Explode · Andy
- Matlock · Paul McBride
- Murder, She Wrote · Hank Duncan, FBI Agt. Ed Crider
- Miami Vice · Scotty