Mark Harmon, who spent 18 seasons on "NCIS," is reprising his role as special agent Leroy Jethro Gibbs for a crossover event.
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Who played Dale Sawyer on NCIS? Everything to know about the cast behind the character
Canadian actor, Zane Holtz, played Agent Dale Sawyer on NCIS seasons 18, 19, 20, 22 and 23 in a guest appearance ...
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