<Li> Catriona McGinn (m . 2012) </Li> <Tr> <Th> Children </Th> <Td> </Td> </Tr> <P> Mark - Paul Harry Gosselaar (/ ˈɡɒslər /; born March 1, 1974) is an American actor . He is known for his television roles as Zack Morris in Saved by the Bell, Detective John Clark in NYPD Blue, and Peter Bash in Franklin & Bash . </P> <P> He was the lead in the 1998 film Dead Man on Campus, and recently starred in FOX television show Pitch . </P>

Who was zack on saved by the bell