Mark Harmon’s Gibbs Returns as ‘NCIS’ and ‘NCIS: Origins’ Collide for a Decades-Spanning Mystery in Crossover Trailer [Exclusive]

Watch the extended promo for the first crossover event between NCIS and NCIS: Origins, featuring Mark Harmon's return as ...

'NCIS' Season 23 Just Revived a Forgotten Character From Ziva’s Exit

NCIS: Origins brings back Vera Strickland — but her new casting raises familiar continuity questions for the franchise.
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Complete cast breakdown of NCIS: Sydney season 3: Who plays who & where you’ve seen them before

NCIS: Sydney season 3 brings together a dynamic and talented cast to solve mysteries in Australia’s vibrant cities and wild ...