Casting: How I Met Your Mother – Chris Elliott!

Former Letterman writer and funnyman Chris Elliott (Groundhog Day, There’s Something About Mary) is set to join the cast for the Thanksgiving (or slapsgiving) episode slated to air on Nov. 23

Elliott will be playing Lily’s (Alyson Hannigan’s) father, a down and out small time crook, who comes face to face with his daughter at the family’s Thanksgiving celebration at Lily’s grandparents’.

Let the good times roll….