The Namesake is the fifth episode of Season Ten of NCIS and the 215th of the series as a whole.
- Gibbs meets his namesake and his father's old friend, Leroy Jethro Moore.
- This is the first and only episode of the series where the victim was killed as a result of a mistaken identity and not accidentally or deliberately as is the case in the other NCIS episodes.
|Leroy Jethro Gibbs||Mark Harmon||Special Agent in charge of the Major Case Response Team, NCIS.|
|Anthony DiNozzo||Michael Weatherly||Senior Special Agent, MCRT, NCIS.|
|Ziva David||Cote de Pablo||Junior Special Agent, MCRT, NCIS.|
|Timothy McGee||Sean Murray||Special Agent, MCRT, NCIS.|
|Abigail Sciuto||Pauley Perrette||Chief Forensic Specialist, NCIS.|
|James Palmer||Brian Dietzen||Assistant Medical Examiner.|
|Donald Mallard||David McCallum||Chief Medical Examiner, NCIS.|
|Leon Vance||Rocky Carroll||Director of NCIS. Credited but did not appear.|
|Jackson Gibbs||Ralph Waite||NCIS Special Agent Leroy Jethro Gibbs's father.|
|Leroy Jethro Moore||Billy Dee Williams||Friend of Jackson Gibbs and who Leroy Jethro Gibbs was named after.|
|Vijay Chaya||Piter Marek||A multi-millionaire playboy originally from Calcutta, India.|
|Kris Taylor||Brett Davern||Suspect.|
|Alec Dell||Jake Thomas||Petty Officer Boxer's murderer and Kris Taylor's room-mate.|
|Rita Gregg||Debra Christofferson||Pawn shop owner.|
|Bodie||Edwin Hodge||A man who worked at the same hotel as murder victim, Petty Officer Colin Boxer.|
|Kim Taylor||Julie McNiven||Kris Taylor's sister.|
|Petty Officer First Class Colin Boxer, USN||Jonathan Camp||Victim.|
|Chaya's Girlfriend||Tierra Lee Carlson||An unnamed woman who is Vijay Chaya's girlfriend.|
|NCIS Season Ten|
|Extreme Prejudice ♦ Recovery ♦ Phoenix ♦ Lost at Sea ♦ The Namesake ♦ Shell Shock Part 1 ♦ Shell Shock Part 2 ♦ Gone ♦ Devil's Trifecta ♦ You Better Watch Out ♦ Shabbat Shalom ♦ Shiva ♦ Hit and Run ♦ Canary ♦ Hereafter ♦ Detour ♦ Prime Suspect ♦ Seek ♦ Squall ♦ Chasing Ghosts ♦ Berlin ♦ Revenge ♦ Double Blind ♦ Damned If You Do|