Question: Silent Night, Deadly Night is a 1984 American slasher film directed by Charles E. Sellier, Jr., and starring which American actress and singer best known for her performance in the stage and film versions of "Godspell" in the early 1970s?
Sentence (from "Gilmer McCormick"): Gilmer McCormick (born March 13, 1947) is an American actress and singer best known for her performance in the stage and film versions of "Godspell" in the early 1970s and for her role as Sister Margaret in the 1984 horror film "Silent Night, Deadly Night".
Relevant evidence: Yes