|Hugh O'Brian (1923 - )|
|Rocketship X-M (Expedition Moon) (1950) [Harry Chamberlain]: Killed in an explosion, along with Lloyd Bridges and Osa Massen, when their spaceship crashes to Earth during re-entry.
Vengeance Valley (1951) [Dick Fasken]: Shot in the chest in a shoot-out with Burt Lancaster, when Hugh runs out from behind a rock. Shown from a distance.
The Cimarron Kid (1952) [Red Buck]: Shot to death by Audie Murphy as Hugh tries to pull Yvette Dugay off of a horse. (Thanks to Brian)
White Feather (1955) [American Horse]: Shot to death by his father (Eduard Franz) after Hugh violates the tribe's code of honor by firing first during a stand-off with the Cavalry. (Thanks to Brian)
In Harm's Way (1965) [Liz Eddington's Lover]: Killed in a car crash, along with Barbara Bouchet, when a truck comes around the curve and they swerve off the road.
Killer Force (The Diamond Mercenaries) (1976) [Lewis]: Shot to death in a shoot-out with Telly Savalas' men in the desert. (Thanks to Michael)
The Shootist (1976) [Jack Pulford, Faro Dealer at Metropole Station]: Shot to death in a shoot-out with John Wayne. (Thanks to Fred)
Game of Death (1978) [Steiner]: Neck snapped at the end of a fight with Bruce Lee (or, rather, Bruce's stand-in). (Thanks to Michael)