William Sadler (1950 - )
- Die Hard 2 (Die Hard 2: Die Harder) (1990) [Colonel (William) Stuart]: Killed in an explosion (along with the rest of his cohorts, including Franco Nero and Vondie Curtis-Hall) when Bruce Willis ignites the trail of fuel leaking from their plane, blowing it up.
- Hard To Kill (1990) [Senator Vernon Trent]: Although he survives the film there is an alternative ending in which he is burned to death after being thrown into his own lit fireplace having been impaled on a poker during a struggle with Steven Seagal.
- The Hot Spot (1990) [Frank Sutton]: Shot and beaten to death by Don Johnson while at the end of a struggle.
- Rush (1991) [Monroe]: Presumably killed when Jason Patric rams his head repeatedly against some prison bars as he tries to choke Jennifer Jason Leigh through the jail cell (though I don't know any other details it's unclear if he died or not).
- Tales from the Crypt Presents: Demon Knight (1995) [Brayker]: Mortally wounded after being clawed across the chest by a possessed Ryan O'Donohue. This is because Ryan is one of Billy Zane`s demons; he dies shortly after passing his responsibilities on to Jada Pinkett Smith.
- Tales from the Crypt Presents: Bordello of Blood (1996) [Mummy]: Plays a mummy who is seen talking to the Crypt Keeper (voiced by John Kassir) (Played for Comic Effect).
- Solo (1996) [Colonel Frank Manning/Improved Solo]: Playing a dual role, "Manning's" neck is snapped by “Improved Solo.”; "Improved Solo's" skull is crushed by Mario Van Peebles, on top of being severely wounded when Mario puts an explosive charge in William's side.
- Disturbing Behavior (1998) [Dorian Newberry]: Commits suicide/sacrifices himself by driving his truck over the dam in order to destroy all of the mind-altered "Blue Ribbon" students.
- The Hills Run Red (2009) [Concannon]: Stabbed to death by Danko Jordanov when Tad Hilgenbrink encourages Danko to kill William.
- Machete Kills (2013) [Sheriff Doakes]: Neck broken by Demian Bichir, on top of Demian chopping off his arm.
- VFW (2020) [Walter Reed]: Sacrifices himself in order to save Stephen Lang and Sierra McCormick by crashing his truck into Travis Hammer right as he is about to kill them, causing the truck to explode.
- Tales from the Crypt: The Man Who Was Death (1989) [Niles Talbot]: Executed in the electric chair.
- Two Fisted Tales (1991 TV) [Mr. Rush]: Killed in an explosion after pulling the pin from a grenade in an attempt to kill the viewing audience (Played for Comic Effect).
- Star Trek: Deep Space Nine: Extreme Measures (1999) [Luther Sloan]: Commits suicide by activating an implant in his brain rather than be captured; the rest of the episode takes place inside William's mind as Colm Meaney and Alexander Siddig attempt to get vital information from his mind before he dies.
- Criminal Minds: Reckoner (2009) [Ray Finnegan]: Shot in the head and chest by Tom Ohmer in William's restaurant. His body is shown afterwards when Thomas Gibson and Joe Mantegna discover him.
- Hawaii Five-O: Pilot (2010) [John McGarrett]: Shot in the head by James Marsters after learning of the killing of his brother (Norman Reedus) by Alex O'Loughlin. We only see James firing.
- Park Avenue: Lazarus (2013) [Nate McKenny]: Killed by Misha Kuznetsov with his body then being absorbed into the building by the lost souls of the drake.
- The Blacklist: General Ludd (No. 109) (2013) [Sam Scott]: Smothered with a pillow in a mercy killing by James Spader to spare him a slow, painful death from cancer and to keep him from revealing the "secret" to Megan Boone that James is her surrogate father.
- From Dusk Till Dawn: The Take (2014) [Big Jim]: Shot to death by D.J Cotrona and Zane Holtz in a parallel reality after D.J and Zane enter in "The Labyrinth". (Not sure if it counts as a "Death scene" but is the only time that William appears in the whole series).
- Z Nation: Zombie Road (2015) [Sam Custer] Brains eaten by a blaster zombie off-screen. We just see the blood splatter on his truck. His truck then explodes in the distance.
- Power: There's a Snitch Among Us (2018) [Tony Teresi]: Shot in the Stomach by his son (Joseph Sikora) for being a Snitch who works for the Feds.
- Hunters: Eilu v' Eilu (2020) [Dr. Friedrich Mann]: Stabbed in the back of the neck by Al Pacino while strapped to a chair.
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