|One Night Stand (1978) [Sharon]: Strangled with a telephone cord by Brent Carver. Her body is first shown when Chapelle Jaffe discovers her lying in bed, and the murder is shown in a flashback soon afterwards.
The Brood (1979) [Ruth Mayer]: Beaten to death by two of Samantha Eggar's "rage-children" in a classroom.
Narrow Margin (1990) [Kathryn Weller]: Decapitated when the train goes into a tunnel while she's standing on the roof of the compartment. (Thanks to Johan and ND)