|Producer's Showcase: Cyrano de Bergerac (1955) [Christian de Neuvillette]: Presumably mortally wounded in combat, then dies while talking to Jose Ferrer. (I haven't seen this version, but I'm familiar with the story.)
Hallmark Hall of Fame: Cyrano de Bergerac (1962) [Cyrano de Bergerac]: Mortally injured by being run over by a carriage; he dies shortly afterwards while talking to Hope Lange.
The Fall of the Roman Empire (1964) [Commodus]: Killed by Stephen Boyd.
Hamlet (Hamlet at Elsinore) (1964) [Hamlet]: Wounded with a poisoned blade during a swordfight with Dyson Lovell; he dies shortly afterwards, after killing Robert Shaw in turn.
The Royal Hunt of the Sun (1969) [Atahualpa]: Executed by the garrote. (Thanks to Aaron)
The Day That Shook the World (Sarajevi atentat) (1975) [Archduke Franz Ferdinand]: Shot in the chest by Irfan Mensur while riding in a car with Florinda Bolkan.
The Spiral Staircase (1975) [Dr. Joe Sherman]: Shot to death by Mildred Dunnock just as he is about to kill Jacqueline Bisset. (See also George Brent in the 1946 version.)
The Silent Partner (L'Argent de la banque) (1978) [Harry Reikle]: Shot in the back by a security guard as Christopher tries to get away during a bank robbery. (Thanks to Matt)
Eyewitness (The Janitor) (1984) [Joseph]: Shot in the chest by Morgan Freeman and Steven Hill when Christopher reaches for his pocket, making them think he's going for a gun. (Thanks to ND)
Dreamscape (1984) [Bob Blair]: Dies of a heart attack in his sleep when Dennis Quaid kills him in a dream after transforming into a monster; the scene cuts away just as Dennis grabs him, followed by a scene of Christopher's wife (Timothy Blake) waking up in the morning and discovering that he's dead. (Thanks to Mac and Stephen)
Star Trek VI: The Undiscovered Country (1991) [General Chang]: Killed in an explosion when William Shatner and George Takei simultaneously fire photon torpedoes at Christopher's ship. (Thanks to Stephen)
The Clown at Midnight (1998) [Mr. Caruthers]: Impaled on a weapons-rack when Sarah Lassez activates a trap-door on the theatre stage and he falls through it; his body is shown on the rack below afterwards.
Dracula 2000 (2000) [Abraham/Matthew Van Helsing]: Bitten on the throat and drained of blood (off-screen) by Jennifer Esposito, Colleen Fitzpatrick, and Jeri Ryan. His body is shown afterwards underneath the bed when Justine Waddell discovers him. (Thanks to Patrick)
Cold Creek Manor (2003) [Mr. Massie]: Smothered with a pillow by his son (Stephen Dorff). (Thanks to Stephen)
National Treasure (2004) [John Adams Gates]: Dies (off-screen), presumably of old age/natural causes, at some point between the flashback scenes and the main story. (Thanks to Neil)
The Lake House (2006) [Simon Wyler]: Dies (off-screen) in the hospital following a heart attack; we learn of his death when Willeke van Ammelrooy informs Christopher's son (Keanu Reeves) over the phone. (Thanks to Eric and ND)
9 (2009; animated) : Providing the voice of a robotic sack-creature, his soul is sucked out of his body by the BRAIN machine after 1 pushes 9 (voiced by Elijah Wood) out of its path. His soul is seen again when 9 releases it. (Thanks to Tommy)
The Last Station (2009) [Leo Tolstoy]: Dies of pneumonia while sitting in a train station. (Thanks to Tommy)
Up (2009; animated) [Charles F. Muntz]: Falls to his death while chasing Kevin the giant bird out of the floating house. (Thanks to Pandelis and Tommy)
Beginners (2010) [Hal Fields]: Dies (off-camera) of lung cancer in his bed; his body is shown afterwards when his son (Ewan McGregor) enters the room after being informed of his death. (Thanks to ND)