Mark-Paul Gosselaar

Zack Morris

John Candy

Himself

Dustin Diamond

Samuel 'Screech' Powers

Elizabeth Berkley

Jessie Spano

Ross Bagdasarian Jr.

Alvin Seville (voice)

Paul Fusco

ALF (voice)

Sherman Hemsley

The Master Programmer

Matt Hill

Kevin Keene (voice)

Robert Ito

Miyagi Yakuga (voice)

Mario López

Albert Clifford 'A.C.' Slater