Freddie Highmore
Arthur Montgomery
Madonna
Princess Selenia (voice)
Jimmy Fallon
Betameche (voice)
David Bowie
Maltazard (voice)
Penny Balfour
Rose Montgomery
Ron Crawford
Archibald Suchot
David Suchet
Narrator (voice)
Jason Bateman
Prince Darkos (voice)
Robert De Niro
King (voice)
Jean Bejote Njamba
Chief Matassalai (voice)
Saul Jephcott
Police Officer #1
Christian Erickson
Antique Dealer
Robert William Bradford
Baliff
Jerry Di Giacomo
Repairman
Bienvenue Kindoki
Matassalai #1
Valéry Koko Kingue
Matassalai #2
Vincent Mendy
Matassalai #4
Mathar Licka Gueye
Matassalai #5
Tonio Descanvelle
Police Officer #2
Erik Per Sullivan
Baby Bug / Mino (voice)
Chazz Palminteri
Travel Agent (voice)
Anthony Anderson
Koolomassai (voice)