See Mark-Paul Gosselaar, aka Zack Morris, Then and Now
Then: Mark-Paul Gosselaar had worked in a few television commercials before being cast as Zack Morris on NBC's 'Saved by the Bell.' He had a giant cell phone and could freeze time and was apparently a secret genius (remember that SAT score of 1502), even though he seemed like a totally dumb slacker. Everybody loved him.
