Justin Bartha

as Jack Langer

as Riley Poole

as David Gladstone

as Simon Keeley

as Robert Morgenthau

as Howard Weitzman

as Stephen

as Justin Bartha

as Peter Hobbs

as Ken

as Colin Morello

as Bryan

as Marshall Johnson

as Kelly

as Josh Barret

as Self

as Stiv Bators

as David

as Doug Billings

as David Sawyer

as Richard

as Doug Billings

as Yosef Zimmerman

as Jack Werner (voice)

as Aram Finklestein

as Jack

as Doug Billings

as Justin, Sarah's Boyfriend

as Riley Poole

as Jeff Cahill

as Ace

as Jasper Bernard

as Riley Poole

as Brian

as Clubgoer (uncredited)