Leighton Meester as Nina Ostroff

Hugh Laurie as David Walling

Alia Shawkat as Vanessa Walling

Allison Janney as Carol Ostroff

Catherine Keener as Paige Walling

Adam Brody as Toby Walling

Oliver Platt as Terry Ostroff

Ian Helfer as Christmas Caroler

Marceline Hugot as Christmas Caroler

Curtis McClarin as Christmas Caroler

Jay Reiss as Christmas Caroler

Sarah Saltzberg as Christmas Caroler

Aya Cash as Maya

Sam Rosen as Ethan

Hoon Lee as Henry

Heidi Kristoffer as Meredith Lovett

Arthur Anderson as Innkeeper

Damian Young as Gideon Allen

Betsy Aidem as Anne Allen

Paul Fears as Ultimate Frisbee Player

Tim Guinee as Roger

Mando Alvarado as Chef

John Dossett as Shelly

John Srednicki as Waiter

Jeffrey Mowery as Gambler (uncredited)