Joan Plowright

as Self

as Aunt Lucinda Spiderwick

as Ms. Plushbottom (voice)

as Mrs. Virginia Arness

as Sophie

as Martha Sowerby

as Baylene (voice)

as Mrs Bartholomew

as Bea Johnson

as Nanny

as Mrs. Fairfax

as Mrs. Crawford

as Harriet Hibbons

as Martha Wilson

as Teacher

as Olga

as Nadja

as Cissie Colpitts

as Mrs. McConnahay