In the new Dr Who Magazine there is a cast list and and a brief synopsis of this years Christmas Special.
The special, set during the Second World War, sees Madge Arwell and her two children, Lily and Cyril, evacuated to a draughty old house in Dorset, where the caretaker is a mysterious young man in a bow tie, and a big blue parcel is waiting for them under the tree. They are about to enter a magical new world and learn that a Time Lord never forgets his debts.
Claire Skinner - Madge Arwell
Alexander Armstrong - Reg Arwell
Maurice Cole - Cyril Arwell
Holly Earl - Lily Arwell
Arabella Weir - Billis
Bill Bailey - Dorxil
Paul Bazely - Ven-Garr