Special Guest Stars Jon Fletcher as Miles Cratchit J. Claude Deering as Mac Cratchit Robert Belushi as Gabe Tré Melvin as Mike Guest Stars Jeff Kober as Dad Kaitlin Doubleday as Lizzie Douglas Smith as Nathan Gregory Itzin as Grandpa Nikki Limo as Gwen Co Starring Ryan Mirvis as Breck Kevin McNamara as Dima Cyrus Zoghi as Kyle Ryland Blackington as Koskal