Kim Cattrall in the TV series
Vega$, as a Middle Eastern princess whom Dan Tanna is assigned to protect while she's visiting Sin City.
Loni Anderson in
The Incredible Hulk. David Banner believes that the Hulk killed a woman, a top model. Anderson played another model who turned out to be the victim's rival, and the real killer.
Donna Douglas (
The Beverly Hillbillies) in
The Twilight Zone classic episode "Eye of the Beholder."