Who was a Canadian American actress and activist who starred in a horror film?
Sisters (1973 film): Sisters (also known as "Blood Sisters" in the United Kingdom) is a 1973 American psychological horror film directed by Brian De Palma and starring Margot Kidder, Jennifer Salt and Charles Durning. Margot Kidder: Margaret Ruth "Margot" Kidder (born October 17, 1948) is a Canadian American actress and activist.
Margot Kidder