She played the role of Heather McNamara in the black comedy film Heathers (1988) alongside Winona Ryder. Falk is also a former child model who worked at the Ford Modeling Agency with a young Brooke Shields. Falk also portrays the seemingly upset young woman in a men's restroom on the cover of the Foreigner album Head Games. Her modeling work was featured in the book Lisanne: A Young Model.
