Sam Bobrick Creator Mark-Paul Gosselaar Zack Morris Actor Tiffani Thiessen Kelly Kapowski Actor Mario López A.C. Slater Actor Dustin Diamond Samuel "Screech" Powers Actor Anne Tremko Leslie Burke Actor Lark Voorhies Actor Kiersten Warren Alex Tabor Actor Bob Golic Michael Rogers Actor Patrick Fabian Professor Lasky Actor Elizabeth Berkley Lauren Actor Holland Taylor Dean Susan McMann Actor Dennis Haskins Actor Liz Vassey Actor Nancy Stafford Guest Star Jake Grace Guest Star Adam Philipson Guest Star Jonathan Brandis Guest Star Diana Tanaka Guest Star Mindy Sterling Guest Star Ric Coy Guest Star Peter Engel Executive Producer Noah Taft Writer Steve Kreinberg Writer Jeffrey Duteil Writer Renee Palyo Writer Mark Fink Writer Debra Fasciano Writer Brett Dewey Writer Bennett Tramer Writer Trent O'Donnell Executive Producer Andy Guerdat Writer Franco Bario Executive Producer Ronald B. Solomon Writer Tracey Wigfield Executive Producer Elaine Aronson Writer Jeff Melman Director