Acting Cassie Stuart Acting The Hunchback Colette 1997 Afraid of the Dark Woman Neighbor 1991 The Picnic Ruth 1989 The Firm Siobhan 1989 Stealing Heaven 1988 Northanger Abbey Isabella Thorpe 1987 Hidden City Sharon Newton 1987 The Secret Garden Martha Sowerby 1987 Dolls Enid 1986 Insignificance Young Actress 1985 Reservations Linda 1985 Secret Places Nina 1984 Ordeal by Innocence Maureen Clegg 1984 Slayground Fran 1983 Shall I Be Mother? Susan 1983 Agent-readable