Drew Barrymore as Erin Rankin Langford

Justin Long as Garrett Scully

Charlie Day as Dan Grant

Jason Sudeikis as Box Saunders

Christina Applegate as Corrine Berlin

Ron Livingston as Will Broderick

Natalie Morales as Brandy

Kelli Garner as Brianna Jutsum

Oliver Jackson-Cohen as Damon

Jim Gaffigan as Phil Berlin

June Diane Raphael as Karen Surgeoner

Rob Riggle as Ron Surgeoner

Sarah Burns as Harper

Matt Servitto as Hugh O'Keefe

Leighton Meester as Amy

Taylor Schwencke as Maya

Mike Birbiglia as Toby

Graham Davie as Zach

Zach Page as Zander

Mick Hazen as Zeff

Happy Anderson as Terry

Loretta Fox as Sandy

Carole Davis as Carmen

Kristen Schaal as Female Bartender

Terry Beaver as Professor

Charlie Hewson as Douchebag

Meredith Hagner as Tanning Salon Employee