Paul Terry
James Henry Trotter
Miriam Margolyes
Aunt Sponge / Glowworm (voice)
Pete Postlethwaite
The Magic Man
Simon Callow
Grasshopper (voice)
Richard Dreyfuss
Centipede (voice)
Jane Leeves
Ladybug (voice)
Susan Sarandon
Miss Spider (voice)
David Thewlis
Earthworm (voice)
Susan Turner-Cray
James' Mother
Cirocco Dunlap
Girl with Telescope
Kathryn Howell
Woman in Bathrobe
Michael Girardin
Reporter #1
J. Stephen Coyle
Reporter #2
Jeff Bennett
Centipede (singing voice) (uncredited)
Sally Stevens
Glowworm (singing voice) (uncredited)
