Stephen Mailer

Gabriel Higgs

Grahame Wood

Lab Partner

Kristy Swanson

Kirby Watts

Daniel R. Gerson

Ross

Stan Brown

Professor

Sean Bridgers

Dumpster Hunter

Len Cariou

Dr. Lionel Higgs / Dr. Ezekial Higgs

Christine Baranski

Mrs. Margaret 'Maggie' Higgs

Dorothy Recasner Brown

Proctor

Dave Chappelle

Ron

Andrew McCarthy

Rupert Grimm

George Lee

Dr. Peters

Christina Keefe

Rachel

Roy Lind

Dean Stiller

Laura Cathey

Jubilant Student

Kate Finlayson

Helen

Joanne Pankow

Nurse

Pat Lavelle

Receptionist

Matthew Perry

Randall Burns

Blake Lindsley

Tina

Colleen Doherty

Coed

Nealy Glenn

Tense Student

Calista Flockhart

Amanda Morel

Claire Whitworth

Jody

Andrew Lauren

Fraternity Brother

Hedgie Bartol

Fraternity Brother

Jackson Walker

Fraternity Brother

Spiro Malas

Mr. Grimm

Rick Andosca

Cop

Angela Jones

Librarian

Bahni Turpin

Valerie Bookbinder

Robert Longstreet

Man in Library

Jason Jenks

Hacker

David Holland

Officer Denby

Avram Ludwig

Officer

Gary Gennerich

Sergeant

Arthur L. Liman

Anatomy Professor

Mary Helen Sifford

Student (Uncredited)

Zed Starkovich

Student (Uncredited)

Thomas Downey

Frisbee Stud (uncredited)