On screen
Cast
21 credited performers
Paul Terry
James Henry Trotter
Miriam Margolyes
Aunt Sponge / Glowworm (voice)
Joanna Lumley
Aunt Spiker
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)
Steven Culp
James' Father
Artwork unavailable
Susan Turner-Cray
James' Mother
Artwork unavailable
Cirocco Dunlap
Girl with Telescope
Kathryn Howell
Woman in Bathrobe
Mike Starr
Cop
Artwork unavailable
Michael Girardin
Reporter #1
Artwork unavailable
J. Stephen Coyle
Reporter #2
Artwork unavailable
Tony Haney
Reporter #3
Artwork unavailable
Mario Yedidia
Street Kid
Jeff Mosley
Hard Hat Man
Jeff Bennett
Centipede (singing voice) (uncredited)
Sally Stevens
Glowworm (singing voice) (uncredited)