Decompressed is the 14th episode of NCIS Season 13 and the 296th episode of the entire NCIS series.
Synopsis
The NCIS team investigate the death of a deep-sea diver and find themselves conducting a very unorthodox and unusual investigation in which they examine the case on the outside while the remains and the victim's coworkers who are also suspects must stay in a high-tech decompression chamber for four days.
Prologue
Act One
Gibbs at the crime scene.
Act Two
Act Three
Act Four
Act Five
Cast
Series Regulars
| Name | Portrayed by | Role |
|---|---|---|
| Leroy Jethro Gibbs | Mark Harmon | Special Agent in charge of the NCIS Major Case Response Team. |
| Anthony DiNozzo Junior | Michael Weatherly | Senior Special Agent and second-in-command of the NCIS Major Case Response Team. |
| Timothy McGee | Sean Murray | Special Agent of the NCIS Major Case Response Team. |
| Abigail Sciuto | Pauley Perrette | Chief Forensic Specialist 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. |
| Eleanor Bishop | Emily Wickersham | NCIS Probationary Agent. |
| Leon Vance | Rocky Carroll | Director of NCIS. Despite being credited, Carroll does not appear in this episode. |
| Donald Mallard | David McCallum | Chief Medical Examiner for the NCIS Major Case Response Team. |
Other Cast
| Name | Portrayed by | Role |
|---|---|---|
| Meredith Ragen | Maya Stojan | A deep-sea diver, former army parachutist, as well as the murderer. |
| Jerry Grossman | Tim Conlon | An attorney for the underwater research and Ragen's partner. |
| Jalen Washington | Greg Sereno | A man who appears in the episode. |
| Sam Harper | Henderson Wade | A man who appears in the episode. |
| RJ Hammond | Brett Rice | A Captain. |
| Bob Mugford | Aaron Hendry | A man who appears in the episode. |
| Mark Dominquez | Keston John | A man who appears in the episode. |
| Jorge Morales | John DeMita | An Admiral in the United States Navy. |
| Mattias Groller | Matthew Brenher | A man who appears in the episode. |
| Maria De La Rosa | Dahlia Salem | A woman who appears in the episode and the wife of Diego De La Rosa. |
| Diego De La Rosa | David Paladino | Retired Navy Senior Chief Petty Officer and the main murder victim. |