Director
Cast
Seth Rogen as Isaac Greenberg
Joseph Gordon-Levitt as Ethan Miller
Anthony Mackie as Chris Roberts
Lizzy Caplan as Diana
Mindy Kaling as Sarah
Jillian Bell as Betsy Greenberg
Michael Shannon as Mr. Green
Lorraine Toussaint as Mrs. Roberts
Helene Yorke as Cindy
Ilana Glazer as Rebecca Grinch
Tracy Morgan as the Narrator / Santa Claus
Baron Davis as Himself
James Franco as Himself
Miley Cyrus as Herself
Writers
Jonathan Levine (story and screenplay)
Kyle Hunter (screenplay)
Ariel Shaffir (screenplay)
Evan Goldberg (screenplay)