Trailer
Cast
Tod Fennell
Helen's Co-Worker
Freddie Highmore
Jared Grace / Simon Grace
Nick Nolte
Mulgarath
Mariah Inger
Nurse
Sarah Bolger
Mallory Grace
Andrew McCarthy
Richard Grace
Seth Rogen
Hogsqueal (voice)
Jordy Benattar
Young Lucinda Spiderwick
Tyler Patrick Jones
Additional Performer
Ron Perlman
Red Cap (voice) (uncredited)
David Strathairn
Arthur Spiderwick
Mary-Louise Parker
Helen Grace
Martin Short
Thimbletack (voice)
Joan Plowright
Aunt Lucinda Spiderwick