Will Sasso

Jim McAllister

Brett

Bill Ryan

Big Mike

Mike Johnston

Terry

Mountie Archambault

Ben

Dennis

Roy

Officer O'Connor

Self

Frank Nitti

Jerry (segment "The Pitch")

Paul

Yanis

Vince Goodson

Frankie

Al Sura

Mr. Kaplan

Dirk

Fortunio Balducci

Heckler (voice)

Russ

Doug Martin

Randy Newman / James Lipton (voice)

Pete

Chris Sadler

Hank Vilmes

Todd (voice), Bobby Briggs (voice), Bernie the Hamster (voice), (voice), Randy Newman (voice), Larry / Larry's Doctor / Max / Ken (voice), Bobby Briggs (uncredited) (archive footage) (voice)

Pizza Boy

Mover

Shy Young Orderly

Gomez Calhoun

Leslie Stokes

Classmate

Fishin' Hole Guy

AC Repairman