Justin Long
Jonah Hill
Adam Herschman
Blake Lively
Columbus Short
Maria Thayer
Lewis Black
Mark Derwin
Kellan Lutz
Ann Cusack
Justin Long as Bartleby Gaines
Jonah Hill as Sherman Schrader
Adam Herschman as Glen
Blake Lively as Monica
Columbus Short as Hands
Maria Thayer as Rory
Lewis Black as Uncle Ben
Mark Derwin as Jack Gaines
Kellan Lutz as Dwayne
Ann Cusack as Diane Gaines
Hannah Marks as Lizzie Gaines
Robin Taylor as Abernathy (A.D.D.) (as Robin Lord Taylor)
Diora Baird as Kiki
Brendan Miller as Wayne
Joe Hursley as Maurice