Bradley Cooper

(Phil)

Ed Helms

(Stu)

Zach Galifianakis

(Alan)

Justin Bartha

(Doug)

Ken Jeong

(Mr. Chow)

John Goodman

(Marshall)

Melissa McCarthy

(Cassie)

Jeffrey Tambor

(Sid)

Heather Graham

(Jade)

Mike Epps

(Black Doug)

Sasha Barrese

(Tracy)

Jamie Chung

(Lauren)

Gillian Vigman

(Stephanie)