Arthur answers a distress call from Princess Selenia, who is menaced by the nefarious Maltazard.
Freddie Highmore
as Arthur Montgomery
Mia Farrow
as Granny
Logan Miller
as Jake
Robert Stanton
as Armand
Penny Balfour
as Rose Montgomery
Ron Crawford
as Archibald
Jean Bejote Njamba
as Chief Matassalai (voice)
Lou Reed
as Maltazard (voice)
Selena Gomez
as Selenia (voice)
Jimmy Fallon
as Prince Betameche (voice)
Snoop Dogg
as Max (voice)
Fergie
as Replay (voice)