John Goodman

The Dean (segment "Happy Birthday")

Sydney Tamiia Poitier

Hannah (segment "Happy Birthday")

Beverly D'Angelo

Bag Lady (segment "Happy Birthday")

Christopher Lloyd

Attorney Bum (segment "Happy Birthday")

David Hyde Pierce

Barney (segment "Happy Birthday")

Caroline Rhea

Monica (segment "Happy Birthday")

Jenica Bergere

Sally (segment "Happy Birthday")

Ken Hudson Campbell

Security Guard (segment "Happy Birthday")

Kimiko Gelman

May Lee Ha (segment "Happy Birthday")

Jean Kasem

Nurse (segment "Happy Birthday")

Taylor Negron

Policeman (segment "Happy Birthday")

Travis Wester

Chute Boy (segment "Happy Birthday")

Dondré Whitfield

Man in Elevator (segment "Happy Birthday")

Marissa Jaret Winokur

Dean's Secretary (segment "Happy Birthday")