Stop the Bleeding is the premiere episode of NCIS Season 13 and also the 283rd episode of the entire NCIS series.
In the aftermath of being shot in the previous episode, Gibbs finds himself fighting for his life and also drifting between life and death as he's treated on board the medical ward of the Navy ship, the U.S.S. Daniel Webster while DiNozzo and CIA officer Joanna Teague who is also the mother of deceased NCIS Special Agent Ned Dorneget both travel to Shanghai, China to take down the structure of the Calling once and for all while everyone tries to come to terms with Gibbs being shot.
- It's revealed that four months have passed since the events in the NCIS Season 12 episode, The Lost Boys (episode).
- Navy Doctor Dr. Cyril Taft is introduced for the first time.
- Rule 45 is revealed to be "Clean up your own mess".
- Jon Cryer (Dr. Cyril Taft) is credited as a Special Guest Star.
- There is no U.S. Navy aircraft carrier named Daniel Webster. The U.S.S. Daniel Webster was a Lafayette-class ballistic missile submarine, commissioned in 1964 and decommissioned in 1990. To date, it is the only U.S. Navy vessel named after U.S. Senator Daniel Webster.
|Leroy Jethro Gibbs||Mark Harmon||Special Agent in charge of the NCIS Major Case Response Team. After being shot by a member associated with the international terrorist group, the Calling, Gibbs has surgery performed on him and is able to return to work although as a result of his near-death experience, he is confined to desk duty.|
|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.|
|Eleanor Bishop||Emily Wickersham||Probationary Special Agent of the NCIS Major Case Response Team.|
|Leon Vance||Rocky Carroll||Director of NCIS.|
|Donald Mallard||David McCallum||Chief Medical Examiner for the NCIS Major Case Response Team.|
|Luke Harris||Daniel Zolghadri||A young boy who is also a member of the Calling.|
|Michael Franks or Ghost Mike||Muse Watson||Gibbs's dead mentor.|
|Joanna Teague||Mimi Rogers||Ned Dorneget's mother and a CIA officer.|
|Daniel Budd||Giles Matthey||The leader of the terrorist group known as the Calling who later dies after being shot by DiNozzo.|
|Kelly Gibbs||Mila Brener||Gibbs's deceased young daughter.|
|Guy Ross||Kent Shocknek||A reporter with ZNN.|
|Matthew Rousseau||Adetokumboh M'Cormack||A terrorist associated with the Calling. Is later found dead in his cell.|
|Ned Dorneget||Matt L. Jones||NCIS Special Agent who was killed in an explosion in Cairo, Egypt. Archive footage/uncredited role.|
|Cyril Taft||Jon Cryer||A Navy Doctor who helps treat Gibbs.|
|Joni Ryan||Katie Roberts||A Surgical Tech/Ensign in the Navy.|
|Errol Coyne||David Andrews||The U.S. Secretary of Defense.|
|Kenny Young||Kenny Leu||An officer with the CIA.|
|Fred Lewis||Hector Hugo||A Commander in the United States Navy.|
|Old Vendor||Jim Lau||A man who appears in the episode.|
|Navy Corpsman (Stop the Bleeding)||Donnabella Mortel||A Corpsman who appears in the episode.|