Series 16 - Episode 19 Perennial



Following an active shooter lockdown at a naval hospital, the team searches for a suspect who fled the scene. it transpires that someone from Sloane's past is a key witness in the case. Mark Harmon, David McCallum and Maria Bello star.

Cast & Crew

Leroy Jethro Gibbs Mark Harmon
Timothy McGee Sean Murray
Nick Torres Wilmer Valderrama
Ellie Bishop Emily Wickersham
Jack Sloane Maria Bello
Jimmy Palmer Brian Dietzen
Kasie Hines Diona Reasonover
Leon Vance Rocky Carroll
Faith Tolliver Kate Hamilton
Director Tony Wharmby
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