NCIS’ Mark Harmon Doesn’t Know 1 Detail About Gibbs, Says Origins Co-Creator 

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NCIS: Origins co-creator David J. North has revealed that Mark Harmon does not recall a key detail long associated with the character. Despite portraying Leroy Jethro Gibbs for nearly two decades, the actor doesn’t remember his character’s well-known rules. The revelation, shared during a recent discussion about the franchise, comes as a surprise to viewers. David J. North humorously recalls what Mark Harmon doesn’t know about his NCIS ro