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