Hogfather

It's Hogswatch (equivalent to Christmas) on the Discworld and the Hogfather has gone missing, requiring Death to take his place while his granddaughter Susan endeavors to find out what has happened.

Hogfather is a 2007 fantasy comedy movie directed by Vadim Jean, starring Michelle Dockery, David Jason, David Warner. It holds an IMDb rating of 7.4/10 from 11,805 votes and runs 3h 9m.