Little does he know, this lack of festive spirit has unleashed the wrath of Krampus: a demonic force of ancient evil intent on punishing non-believers. Featuring an ensemble cast that includes Adam Scott (Parks And Recreation), Toni Collette (Hereditary), Allison Tolman (Fargo) and David Koechner (Anchorman: The Legend Of Ron Burgundy), this is a wonderfully dark and subversive "must-see film" (wegotthiscovered. ).