DeForest Kelley

Film Deaths:[]

House of Bamboo (1955) [Charlie]: Shot (through a paper wall) by a police detective when he sees DeForest's shadow of him having a gun.
Tension at Table Rock (1956) [Jim Breck]: Shot in the chest in a shoot-out with Richard Egan in the street. Shown from a distance. (Thanks to Brian)
Raintree County (1957) [Southern Officer]: Shot in the chest by Lee Marvin (whom he mortally wounds).
The Law and Jake Wade (1958) [Wexler]: Shot in the chest with arrows during a shoot-out with Comanche warriors. (Thanks to Brian)
Black Spurs (1965) [Sheriff Dal Nemo]: Shot by Rory Calhoun in a failed assassination attempt.
Town Tamer (1965) [Guy Tavenner]: Killed off screen in a jail cell.
Apache Uprising (1966) [Toby Jack]: Shot by the Apaches.

Gunsmoke: Indian Scout (1956) [Will Bailey]: Killed by Eduard Franz (though I don't know the details).
Wanted - Dead or Alive: Secret Ballot (1959) [Sheriff Steve Pax]: Murdered (off-screen) by Wayne Morris. His body is seen when Steve McQueen opens a door and DeForest's body falls.
Rawhide: Incident at Barker Springs (1959) [Slate Prell]: Shot in a gunfight with Paul Richards.
Wanted-Dead or Alive: The Empty Cell (1959) [Ollie Tate]: Shot by Jack Kruschen.
Black Saddle: Apache Trail (1959) [Sam King]: Shot in the chest with a rifle as grapples for it with Peter Breck. (Thanks to Brian)
Bat Masterson: No Amnesty for Death (1961) [Brock Martin]: Killed in shootout with Bat Masterson.
Stagecoach West: The Big Gun (1961) [Lt. Clarke]: Shot on top of a stagecoach while attempting to rob a bank with a gang.
The Dakotas: Reformation at Big Nose Butte (1963) [Martin Volet]: Killed in shootout between Sheriff's posse and gang members.
A Man Called Shenandoah: The Riley Brand (1966) [Egan]: Killed off screen by Shenandoah after trying to kill him.
Star Trek: Shore Leave (1966) [Dr. Leonard "Bones" McCoy]: Impaled with a lance by a knight (Paul Baxley) as DeForest stands in its path, believing it to be a harmless illusion. He is later brought back to life by Oliver McGowan's alien technology. (Thanks to Stephen)