James McAvoy
Arthur (voice)
Bill Nighy
Grandsanta (voice)
Jim Broadbent
Santa (voice)
Imelda Staunton
Mrs Santa (voice)
Ashley Jensen
Bryony (voice)
Marc Wootton
Peter (voice)
Laura Linney
North Pole Computer (voice)
Eva Longoria
Chief De Silva (voice)
Ramona Marquez
Gwen (voice)
Michael Palin
Ernie Clicker (voice)
Sanjeev Bhaskar
Lead Elf (voice)
Robbie Coltrane
Lead Elf (voice)
Joan Cusack
Lead Elf (voice)
Rhys Darby
Lead Elf (voice)
Jane Horrocks
Lead Elf (voice)
Iain McKee
Lead Elf (voice)
Andy Serkis
Lead Elf (voice)
Dominic West
Lead Elf (voice)
Bronagh Gallagher
Elf (voice)
Danny John-Jules
Elf (voice)
Ryan Patrick Donahoe
Pedro (voice)
Finlay Duff
French Boy (voice)
Rich Hall
Idaho Man (voice)
Clint Dyer
Reporter (voice)
Donnie Long
Reporter (voice)
Jerry Lambert
N.O.R.A.D (voice)
Deborah Findlay
General (voice)
David Schneider
General (voice)
Ian Ashpitel
UNFITA OPS (voice)
Julia Davis
UNFITA OPS (voice)
Kerry Shale
UNFITA OPS (voice)
Tamsin Greig
Additional Voices (voice)
Alistair McGowan
Additional Voices (voice)