|Mark Metcalf (1946 - )|
|National Lampoon's Animal House (1978) [Douglas C. Neidermeyer]: Killed (off-screen) by his own troops in Vietnam; we are informed of his death by a block of text at the end of the movie.
The Final Terror (Bump in the Night; Campsite Massacre; Carnivore; The Forest Primeval) (1983) [Mike]: Stabbed in the back by Tony Maccario while Mark is making love with Cindy Harrell in the woods. (Nudity alert: Rear)
Buffy the Vampire Slayer: Prophecy Girl (1997) [The Master]: Reportedly impaled through the heart on a piece of wood after being knocked through a skylight by Sarah Michelle Gellar; his body is reduced to a skeleton in death. (I haven't seen this episode myself.) (Thanks to Alex)