Rodney Dangerfield

Thornton Melon

Sally Kellerman

Diane

Burt Young

Lou

Keith Gordon

Jason Melon

Robert Downey Jr.

Derek

William Zabka

Chas

Paxton Whitehead

Phillip Barbay

Adrienne Barbeau

Vanessa

M. Emmet Walsh

Coach Turnbull

Terry Farrell

Valerie

Ned Beatty

Dean Martin

Severn Darden

Dr. Barazini

Sam Kinison

Professor Terguson

Robert Picardo

Giorgio

Kurt Vonnegut

Self

Edie McClurg

Marge

Sarah Abrell

Sorority Girl

Kimberlin Brown

Girl in Dorm Hallway

Jason Hervey

Young Thornton

Leslie Scarborough

Coed #1

Michael McGrady

Player #1

Santos Morales

Bartender

Phil Rubenstein

Executive #1

Timothy Stack

Trendy Man

Steve Sweeney

Security Guard

John William Young

Executive #2

Becky LeBeau

Hot Tub Girl

Danny Elfman

Oingo Boingo Band Member

Leon Schneiderman

Oingo Boingo Band Member

Steve Bartek

Oingo Boingo Band Member

Dale Turner

Oingo Boingo Band Member

Johnny Vatos Hernandez

Oingo Boingo Band Member

John Avila

Oingo Boingo Band Member

Sam 'Sluggo' Phipps

Oingo Boingo Band Member