Homefront is the 22nd episode of NCIS Season 13 and also the 304th episode of the entire NCIS series.
The NCIS team investigate when a fourteen year old teenage boy manages to foil a home invasion with Gibbs suspecting that the teenager is withholding something, possibly pertinent details concerning the case while Director Vance and Senior FBI Agent Tobias Fornell travel to London as part of the ongoing escaped British spy case.
- It is revealed that NCIS has a mole within its ranks.
- DiNozzo proceeds to follow a lead in Russia to find the remaining target.
- Fornell is left severely wounded by an ambush from an unidentified assassin in Gibbs's house.
- This is the final NCIS episode to be directed by NCIS director Dennis Smith.
|Leroy Jethro Gibbs||Mark Harmon||Special Agent in charge of the NCIS Major Case Response Team.|
|Anthony DiNozzo||Michael Weatherly||Senior Special Agent and second-in-command of the NCIS Major Case Response Team. Although he is mentioned a few times, he does not appear in this episode, making this the first ever episode that DiNozzo has not appeared in since making his debut in the JAG Season 8/NCIS backdoor pilot episode, "Ice Queen".|
|Timothy McGee||Sean Murray (actor)||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||NCIS Probationary Agent.|
|Leon Vance||Rocky Carroll||Director of NCIS.|
|Donald Mallard||David McCallum||Chief Medical Examiner for the NCIS Major Case Response Team.|
|Emily Fornell||Juliette Angelo||Tobias Fornell's teenage daughter.|
|Tobias Fornell||Joe Spano||Senior Agent with the FBI.|
|Michelle Obama||Herself||The First Lady of the United States of America.|
|Jessica Terdei||Sandra Nelson||Chief of MI6.|
|Henry Marshall||Benjamin Stockham||Anne Marshall's son.|
|Anne Marshall||Reiko Aylesworth||Henry's mother and a lawyer.|
|Hugo Radcliffe||Adrian Sparks||A man who appears in the episode.|
|Daniel Swanson||Pete Gardner||A Detective.|
|Kristin Fields||Zoe Perry||Harper's Ferry Police Officer|
|David Marshall||Elijah Mahar||A Master Sergeant in the Marine Corps and the husband of Anne Marshall and the father of Henry Marshall.|
|Andrew Hubbard||Stephen Oyoung||A Navy Captain.|
|MI6 Officer||Paul Holowaty||An officer with MI6.|