Masterson has narrated several audiobooks, including "I See You Everywhere" by Julia Glass, "Book of the Dead" by Patricia Cornwell, and "Look Again" by Lisa Scottoline.
Leta 1994 se je pojavila v filmu "Bad Girls", kjer je zaigrala Anito Crown, bivšo prostitutko, ki se pridruži še trem drugim bivšim prostitutkam (zaigrale so jih Madeleine Stowe, Andie MacDowell in Drew Barrymore) na potovanju po starem vzhodu.