Martin Starr

as Stewart

as Mike Hawk

as Mark

as Kaminsky

as Bill Nordheim

as Sam

as Lawrence 'Bodhi' Geigerman

as Keith Chapman

as Albert Casler

as Man (voice)

as Stuart

as Corrections Officer / Ball-kicking Biker (voice)

as Self

as Frank Brunner

as Mr. Harrington

as Travis

as Narrator

as Alec

as Self

as Anxiety

as Mr. Harrington

as Stewart

as Tothar

as Mel

as Nathan

as Self

as Self

as Jim Doyle

as Lyle Karofsky

as Mr. Harrington

as Doug the Caveman

as Conspiracy Chris

as Francis

as Malcolm

as Adam

as Todd

as Joe Larsen

as Dave

as Oscar

as Perry Cuttner

as Lloyd

as Self

as Lyle

as Sam

as Self

as Leonard

as Bertram Gilfoyle

as Stu 'Cobb' Cobbler

as Daniel

as Bookbinder

as Andre

as Kyle

as Todd

as Blood Diamond

as Art Thief

as Martin Starr

as Lloyd Cavanaugh

as Andrew

as Alan

as Dirk

as Doug Duquez

as Sam Stern

as Wendell Singletary

as Paddy Wagon Driver

as Ironborn #2

as Clyde

as Adam "Toast" Charles

as Sam Stern

as Stu Pompeu

as Clarence

as Waiter #1

as Professor Cligoris

as Martin Starr

as Kevin

as Joel

as Roman DeBeers

as Barrista

as Roman DeBeers

as Simon

as Computer Nerd

as Schmendrick

as James Masselin

as Martin

as Charlie

as Kevin

as Beantown Customer

as No Friend of the Groom

as Scooter

as Applebee

as Liquor Store Clerk

as Theo

as Eddie Malick

as Wayne

as Clark Salinger

as Monk Pyle

as Bill Haverchuck

as Andrew / Tommy (voice)

as Biff Atkins

as Allen in Coma