|Thunderball (1965) [Paula Caplan]: Commits suicide (off-screen) by taking a poison capsule to escape interrogation from enemy agents. Her body is shown afterwards when Sean Connery arrives just a moment too late to rescue her.
One Million Years B.C. (1966) [Nupondi]: Falls into a fissure that opens up beneath her during an earthquake. (Thanks to Stephen)
Prehistoric Women (1967) [Kari]: Impaled through the stomach on the horn of a charging rhinoceros.
Dr. Jekyll and Sister Hyde (1971) [Mrs. Hyde]: Falls from a roof while fleeing from police, while midway through the transformation from Ralph Bates into Martine. "Her" body (a composite of Ralph and Martine) is shown lying on the ground afterwards. (Thanks to TB)
Days of Our Lives (1984; I don't know the exact date) [Abigail Abernathy]: Killed by Joseph Mascolo. (Thanks to Johan)
Santa Barbara: Episode 203 (1985) [Brandy Fairbanks]: Falls through a skyscraper window at the end of a struggle with David Haskell. (Thanks to Johan)
Cyclone (1987) [Waters]: Shot to death. (Thanks to PortsGuy)
From a Whisper to a Scream (The Offspring) (1987) [Katherine White]: Executed by lethal injection.