Give some stream of consciousness and then the answer. 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.

Based on this passage, who played zack morris saved by the bell?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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The relevant sentence in the passage is: 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.
Therefore, the answer is Mark - Paul Harry Gosselaar.