NCIS/In Too Deep

In Too Deep
Season 23, Episode 12
Airdate	March 17, 2026
Written by	Marco Schnabel
Directed by	Michael Zinberg
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NCIS — Season Twenty-Three

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In Too Deep is the twelfth episode of the twenty-third season of NCIS, and the four hundred ninety-ninth episode overall.

Sean Murray (NCIS Special Agent Timothy McGee), Wilmer Valderrama (NCIS Special Agent Nicholas "Nick" Torres), Katrina Law (NCIS Special Agent Jessica Knight), Brian Dietzen (Medical Examiner Dr. Jimmy Palmer), Diona Reasonover (Forensic Scientist Kasie Hines)

with Rocky Carroll (NCIS Director Leon Vance)

and Gary Cole (NCIS Supervisory Special Agent Alden Parker)

Guest Starring: Patrick Keleher (Mateo Garcia), Joe Dinicol (Lucas Trask), Breeda Wool (Dr. Childs), Elena Goode (Olivia Garcia), Justin Paul (Chief Warrant Officer Martin Hodges), Camden Everett Kwok (Kid)

Co-Starring: Josh Coxx (FLETC Instructor Hal Sterling), Brian Maillard (Leo Finch), Jodie Bentley (Lawyer), Brian Knoebel (Scientist)