Guest Stars Sarah Chalke voices Magee William Morgan Sheppard voices The Big Guy Hayes MacArthur voices Thrasher Chris Parnell voices Mr. Thistleton Emily Alyn Lind voices Grace Goodwin Rob Riggle voices Noel Phil LaMarr voices Crumbles Stevie Wermers-Skelton voices Miscellaneous Elves Chris Harrison voices Gene the Salesman Grace Potter voices Carol Dorothy McKim voices Miscellaneous Elves Kevin Deters voices Hop With Me Bunny