Todd Strauss-Schulson Director John Cho Harold Actor Kal Penn Kumar Actor Neil Patrick Harris Self Danneel Ackles Vanessa Actor Paula Garcés Maria Actor Thomas Lennon Todd Actor Danny Trejo Mr. Perez Actor Elias Koteas Sergei Katsov Actor Eddie Kaye Thomas Rosenberg Actor David Krumholtz Goldstein Actor Patton Oswalt Mall Santa Actor Bobby Lee Kenneth Park Actor Melissa Ordway Gracie Actor David Burtka Self Tristan Canning Noah Actor Amir Blumenfeld Adrian Actor Isabella Gielniak Caren Actor Jon Hurwitz Screenwriter Hayden Schlossberg Screenwriter Greg Shapiro Producer Nathan Kahane Executive Producer Nicole Brown Executive Producer Richard Brener Executive Producer Michael Disco Executive Producer Samuel J. Brown Executive Producer Michael Barrett Cinematographer Eric Kissack Film Editing Rusty Smith Production Design Mary Claire Hannan Costume Design William Ross Original Music Jeanne McCarthy Casting Ramsey Avery Art Director Selina van den Brink Set Decoration