High Tide is the 11th episode of NCIS Season 15 and also the 342nd episode of the entire NCIS series.
During an NCIS sting operation that's tracking illegal drug-running out of the Norfolk civilian marine, Torres and Bishop go undercover as a criminal couple available for hire.
- This is the fourth episode of the NCIS series to have the credits airing in the second act.
|Leroy Jethro Gibbs||Mark Harmon||Special Agent in charge of the NCIS Major Case Response Team.|
|Abigail Sciuto||Pauley Perrette||Chief Forensic Specialist for the NCIS Major Case Response Team.|
|Timothy McGee||Sean Murray||Senior Special Agent and second-in command of the NCIS Major Case Response Team.|
|Nicholas Torres||Wilmer Valderrama||Special Agent for the NCIS Major Case Response Team.|
|Eleanor Bishop||Emily Wickersham||Special Agent for the NCIS Major Case Response Team.|
|James Palmer||Brian Dietzen||Assistant Medical Examiner for the NCIS Major Case Response Team. Despite being credited, Dietzen does not appear in this episode.|
|Leon Vance||Rocky Carroll||Director of NCIS.|
|Jacqueline Sloane||Maria Bello||NCIS Special Agent.|
|Donald Mallard||David McCallum||Chief Medical Examiner for the NCIS Major Case Response Team. Despite being credited, McCallum does not appear in this episode.|
|Clayton Reeves||Duane Henry||Interagency Liaison between MI6 and NCIS.|
|Donnie James Bailey||Marshall Allman|
|Mitchell Young||Ramiz Monsef|
|Richard Lane||Kevin Ashworth|
|Francine Mancuso||Jamie Sorrentini|
|Denise Mancuso||Charlene Amoia|
|Jared Turner||Jozef Fahey|
|Steven Denridge||Adam Burnette||Uncredited role.|