Fortier appeared in the film To Gillian on Her 37th Birthday in 1996, playing the role of Cindy, the flirtatious best friend of Claire Danes' character. In 2000 she appeared in the comedy film Dean Quixote as Annie. The same year Fortier also appeared in the thriller film The In Crowd playing the role of Kelly who has a crush on the lead character, Brittany, played by Susan Ward; Fortier's portrayal elicited mildly positive notice from The New York Times reviewer Elvis Mitchell.