William O'Leary (1957 - )
- Hot Shots! (1991) [Pete 'Dead Meat' Thompson]: Dies (off screen) from multiple injuries that he suffered while being transported to the hospital. (Played for comic effect).
- Candyman: Farewell to the Flesh (1995) [Ethan Tarrant]: Shot to death at a police station.
- Flight of Black Angel (1991) [Capt. Eddie Gordon]: Killed in an explosion (along with Peter Strauss) after Peter fires a missile at Eddie's jet.
- Without a Trace: Off the Tracks (2005) [Carey Chase]: Dies (off-screen) of a drug overdose. His body is shown when Eric Close and Enrique Murciano arrive at his office.
- Kamen Rider Dragon Knight: For Ventara and Earth (2009) [Xaviax]: Playing an alien, he is destroyed when the 13 Kamen Riders use their Link Vent cards.