Sam Bobrick Creator Mark-Paul Gosselaar Zack Morris Actor Tiffani Thiessen Kelly Kapowski Actor Mario López A.C. Slater Actor Elizabeth Berkley Lauren Jessie Spano Actor Dustin Diamond Samuel 'Screech' Powers Actor Lark Voorhies Lisa Turtle Actor Dennis Haskins Mr. Richard Belding Actor Joshua Hoffman Eric Tramer Guest Star Bernie Hiller Mr. Sachs Guest Star Scott Wolf Waiter at the Max Guest Star Peter Engel Executive Producer, Writer Tom Tenowich Writer Don Barnhart Director Bennett Tramer Producer Franco Bario Producer