With Maltazard now seven feet tall and Arthur still two inches small, our hero must find a way to grow back to his normal size and stop the Evil M once and for all, with the help of Selenia and Betameche.
Freddie Highmore
as Arthur Montgomery
Mia Farrow
as Granny
Robert Stanton
as Armand
Penny Balfour
as Rose Montgomery
David Gasman
as The Mechanic
Antony Hickling
as Douglas
Dashiell Eaves
as Simon
Joseph Rezwin
as Brad
Cooper Daniels
as George Lucas
Ron Crawford
as Archibald
Stuart Rudin
as Francis
Steve Routman
as Dr. Stitch
