Molly Cartwell, played by Michelle Williams, is a character in the film Halloween H20: 20 Years Later.
Molly is the girlfriend of John Tate. She goes to Hillcrest Academy, the same school as John.
Against Laurie Strode's wishes, classmates Charles Deveraux, Sarah Wainthrope, John and Molly covertly have a party in the basement of the school, when Michael Myers attacks the group of students. Laurie manages to rescue Molly and John from Michael.