Mark-Paul Harry Gosselaar (born March 1, 1974) is an American actor. He played Zack Morris in the NBC series Saved by the Bell. In 1991, he won a Young Artist Award for Best Young Actor Starring in an Off-Primetime Series. He also played Paul Johnson in the ABC sitcom series Mixed-ish, Detective John Clark Jr. in NYPD Blue, and Peter Bash in the TNT legal series Franklin & Bash. He was also the lead in the 1998 film Dead Man on Campus. Wikipedia