Dennis Haskins, the actor best known for playing Principal Richard Belding on 'Saved by the Bell,' has died at 75, according to reports. Haskin began his run as the adversary to Mark-Paul Gosselaar's Zack Morris on 'Good Morning, Miss Bliss' in 1987, which became 'Saved by the Bell,' which ran from 1989 to 1993 on NBC. He reprised the role on 'Saved by the Bell: Hawaiian Style,' 'Saved by the Bell: The College Years,' 'Saved by the Bell: The New Class,' and 'Saved by the Bell: Wedding in Las Vegas.' 📷: Gary Null/NBC/NBCU Photo Bank/Getty; NBCU Photo Bank; Amanda Edwards/Getty #SavedByTheBell