William Forsythe (1955 - )
- Cloak & Dagger (1984) [Morris]: Killed by Michael Murphy, his body is later in Michael's Car Trunk by Henry Thomas and Dabney Coleman.
- Once Upon a Time in America (1984) [Philip 'Cockeye' Stein]: Shot to death off-screen by police in an ambush.
- The Lightship (Killers at Sea) (1985) [Gene]: Stabbed and throat slit by Badja Djola, who then throws William's body overboard.
- Extreme Prejudice (1987) [Sgt. Buck Atwater]: Shot to death in a shoot-out with Mexican rebels.
- Weeds (1987) [Burt the Booster]: Beaten to death during a prison riot.
- Out For Justice (1991) [Richie Madano]: Stabbed in the head with a corkscrew by Steven Seagal at the end of a fight; his body is later seen when Steven uses a mobster's gun to shoot William several times to make it look like a mob hit so Sal Richards can take the credit.
- Stone Cold (1991) [Ice]: Killed in a car crash/explosion after a chase with Brian Bosworth he dies after talking to Brian. His body is later seen when Lance Henriksen and the other outlaw bikers set him on fire for a Viking funeral.
- Relentless 3 (1993) [Walter Hilderman]: Killed by Leo Rossi.
- The Immortals (1995) [Tim James]: Shot to death in a shoot-out.
- Things to Do in Denver When You're Dead (1995) [Franchise] Murdered off-screen by Steve Buscemi. His body is discovered by the local police on the bed of his motel room.
- The Substitute (1996) [Hollan]: Shot in the back by Ernie Hudson, he dies sometime later after saving Tom Berenger's life.
- Ambushed (1998) [Mike Organski]: Shot by David Keith; he mananges to shoot David in turn before dying.
- Firestorm (1998) [Randall Alexander Shaye]: Burned to death when Howie Long thrusts his head up into the midst of a firestorm after being shot then impaled in the chest with a thrown axe.
- Luck of the Draw (2000) [Max Fenton]: Shot in the back by Patrick Kilpatrick after William tries to take the counterfeiting plates.
- City by the Sea (2002) [Spyder]: Shot to death in a shoot-out with James Franco, while Robert De Niro looks on.
- The Devil's Rejects (2005) [Sheriff Wydell]: Neck snapped by Matthew McGrory just as William is about to kill Sheri Moon Zombie.
- Halloween (2007) [Ronnie White]: Throat slit by Daeg Faerch, after Daeg duct-tapes him to his chair while he sleeps.
- The Rig (2010) [Jim Fleming]: Mauled or slashed to death by a mutated Dan Benson after Dan grabs him through a window before dragging him outside.
- Inkubus (2011) [Ret. Detective Gil Diamante]: Commits suicide by shooting himself in the heart to cease Robert Englund from taking full control.
- Echoes of War (2015) [Randolph McCluskey]: Presumably dies of blood loss off-screen after being shot in the side by James Badge Dale.
- Hidden in the Woods (2016) [Uncle Costello]: Head shot off with a shotgun by Michael Biehn after William shoot Michael in the back.
- Check Point (2017) [The Sheriff]:
- Cold Pursuit (2019) [Brock "Wingman" Coxman]: Killed (off-screen) by Tom Bateman.
- Awake (2019) [Roger Bower]: Commits suicide by shooting himself off-screen; his body is seen shortly afterwards.
- A Perfect Plan (2020) [Grayson]: Fatally wounded in an explosion when Carlo Rota detonates the bomb. He dies shortly afterwards with Kathleen Munroe, Gia Sandhu and Michael Hough by his side.
- Masters Of Horror: We All Scream for Ice Cream (2007) [Buster]: Run over by an ice cream truck after Samuel Patrick Chu orders Spencer Achtymichuk to disengage the truck's emergency brake prior to the events of the episode; his death is shown in a flashback and he returns as a vengeful spirit in the present. He later dies again when Quinn Lord eats a voodoo ice cream bar shaped like William, causing him to dissolve. (William makes a brief appearance at the end of the episode, implying he might not be dead for good.)
- Boardwalk Empire: Resolution (2012) [Manny Hovitz]: Shot in the head by Jack Huston as revenge for the murder of Aleksa Palladino .
- The Mentalist: Blood Feud (2012) [Steve Rigsby]: Dies of a stroke in front of Owain Yeoman after being severely wounded by Max Martini.
- Daredevil: Seven Minutes in Heaven (2016) [Dutton]: Suffocates off-screen when his lungs fill up with blood as a result of being stabbed in the chest by Jon Bernthal. He is last seen lying in a hospital bed while Vincent D'Onofrio sits by his bedside, eating dinner as he observes William's final hours.
- The Man in the High Castle: For Want of a Nail (2019) [J. Edgar Hoover]: Stabbed in the stomach by Rufus Sewell.
Ex-Mr. Melody Munyon
No relation to John Forsythe (despite many rumors)
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