Story :In New York City for their annual tradition of Christmas Eve debauchery, three lifelong best friends set out to find the Holy Grail of Christmas parties since their yearly reunion might be coming to an end.
Cast
Joseph Gordon-LevittEthan
Seth RogenIsaac
Anthony MackieChris
Lizzy CaplanDiana
Jillian BellBetsy
Mindy KalingSarah
Michael ShannonMr. Green
Lorraine ToussaintMrs. Roberts
Randall ParkBoss
Ilana GlazerRebecca Grinch
Nathan FielderJoshua
Heléne YorkeCindy
Aaron HillTommy Owens
Tracy MorganNarrator / Santa
Darrie LawrenceNana
James FrancoSelf
Miley CyrusSelf
Kamal Angelo BoldenKamal
Baron DavisSelf
Chuck MucklePiano Playing Uncle
Curt BourilCindy's Husband
Brooke LiddellCindy's Daugher
Kiley LiddellCindy's Daughter
Jason MantzoukasBad Santa #1
Jason JonesBad Santa #2
Clem CheungDeli Owner
Harolyn BlackwellOpera Singer
Natalie KneppCoat Check Girl
Cameron Earl ThriftSinging Kid
Jeremy VimesHunan Waiter
Gabriel LongKaraoke Singer #1
Michaela SpragueIsaac's Daughter
Euan MortonCoat Check Patron
Marilyn O'ConnellOld Lady
Richard HughesTrain Conductor
Theodora MiranneWoman
Nicola FioreExotic Dancer (uncredited)
Aly MangParty Attendee & Pro Athlete Girlfriend (uncredited)