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