The ongoing CBS procedural has had some major names briefly join the cast during its decades on the air. Here are just a handful of standouts.

LL Cool J's new NCIS spin-off has officially rounded out its cast with a Law & Order: Organized Crime star.

Donald P. Bellisario has created ten television shows. His son Michael has appeared on three of them, including NCIS. Here's ...

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Paramount+ has nearly every NCIS series—except NCIS: Los Angeles. Here’s why the hit procedural deserves to return.

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