|Mark Hamill (1951 - )|
|Britannia Hospital (1982) [Red]: Beaten to death (off-screen) by a mob during a riot. We only see the crowd pulling him out of his van, followed by a shot of a crowbar being raised in the air.
Slipstream (1989) [Will Tasker]: Killed in a plane crash/explosion when his glider crashes into the mountain. (Thanks to Wink)
The Guyver (Mutronics) (1991) [Max Reed]: Killed after being transformed into a giant insect-creature. (Thanks to Joe)
Silk Degrees (Target Witness) (1994) [Johnson]: Killed (I don't know the exact method) by Katherine Armstrong. (I haven't seen this movie myself, but The Bare Facts Video Guide refers to a scene in which a topless Katherine kills Mark.)
Village of the Damned (1995) [Reverend George]: Shoots himself under the chin after the alien children use their mind-control powers to force him to turn his rifle on himself. The actual shot is only heard and not seen.
Batman Beyond: Return of the Joker (2000; animated) [The Joker/Jordan Price]: As "The Joker," he is electrocuted when he accidentally activates a switch after being knocked into a water tank; we only hear him scream from off-camera. He "returns" as an artificial-intelligence being, and is destroyed when Batman (voiced by Will Friedle) fries the microchip. (In the Director's Cut, the human "Joker" was shot in the chest with his own joke-gun's "Bang" flag by Robin (voiced by Mathew Valencia).) (Thanks to Mathew)