Plot: Gibbs and Fornell's crusade to find the head of the drug ring responsible for Fornell's daughter Emily's overdose comes to a climax. Also, Gibbs and Vance finally let the team in on a case that has dangerous implications
Cast
Mark HarmonLeroy Jethro Gibbs
Mark Harmon was
69 in NCIS - Season 18 - Head of the Snake (Episode 5).
Sun, Sep 02 1951
Sean MurrayTimothy McGee
Sean Murray was
43 in NCIS - Season 18 - Head of the Snake (Episode 5).
Tue, Nov 15 1977
Wilmer ValderramaNick Torres
Wilmer Valderrama was
40 in NCIS - Season 18 - Head of the Snake (Episode 5).
Wed, Jan 30 1980
Brian DietzenJimmy Palmer
Brian Dietzen was
43 in NCIS - Season 18 - Head of the Snake (Episode 5).
Mon, Nov 14 1977
David McCallumDr. Donald 'Ducky' Mallard
David McCallum was
87 in NCIS - Season 18 - Head of the Snake (Episode 5).
Tue, Sep 19 1933
Mon, Sep 25 2023
Mon, Sep 25 2023
Rocky CarrollNCIS Director Leon Vance
Rocky Carroll was
57 in NCIS - Season 18 - Head of the Snake (Episode 5).
Mon, Jul 08 1963
Emily WickershamEllie Bishop
Emily Wickersham was
36 in NCIS - Season 18 - Head of the Snake (Episode 5).
Thu, Apr 26 1984
Diona ReasonoverKasie Hines
Diona Reasonover was
29 in NCIS - Season 18 - Head of the Snake (Episode 5).
Mon, Jan 06 1992
Maria BelloJack Sloane
Maria Bello was
53 in NCIS - Season 18 - Head of the Snake (Episode 5).
Tue, Apr 18 1967
Nick BoraineMerriweather
Nick Boraine was
>> in NCIS - Season 18 - Head of the Snake (Episode 5).
Unknown Birthday
Anna Grace BarlowKaren / Sasha Myshkin
Anna Grace Barlow was
26 in NCIS - Season 18 - Head of the Snake (Episode 5).
Sun, Jul 17 1994
Isiah AdamsChad / Vladmir Izikov
Isiah Adams was
>> in NCIS - Season 18 - Head of the Snake (Episode 5).
Unknown Birthday
Juliette AngeloEmily Fornell (archive footage)
Juliette Angelo was
21 in NCIS - Season 18 - Head of the Snake (Episode 5).
Wed, Mar 03 1999
Margo HarshmanDelilah Fielding
Margo Harshman was
34 in NCIS - Season 18 - Head of the Snake (Episode 5).
Tue, Mar 04 1986
Joe SpanoTobias TC Fornell
Joe Spano was
74 in NCIS - Season 18 - Head of the Snake (Episode 5).
Sun, Jul 07 1946
Geri-Nikole LoveParamedic
Geri-Nikole Love was
>> in NCIS - Season 18 - Head of the Snake (Episode 5).
Unknown Birthday
Tajh BellowNavy Petty Officer Samuel Miles
Tajh Bellow was
>> in NCIS - Season 18 - Head of the Snake (Episode 5).
Unknown Birthday
Neal KodinskyViktor
Neal Kodinsky was
>> in NCIS - Season 18 - Head of the Snake (Episode 5).
Unknown Birthday
Tudor MunteanuIvan
Tudor Munteanu was
>> in NCIS - Season 18 - Head of the Snake (Episode 5).
Unknown Birthday
Crew
Tawnia McKiernanDirector
Tawnia McKiernan was
>> in NCIS - Season 18 - Head of the Snake (Episode 5).
Unknown Birthday
David J. NorthWriter
David J. North was
>> in NCIS - Season 18 - Head of the Snake (Episode 5).
Unknown Birthday
Brendan FehilyWriter
Brendan Fehily was
>> in NCIS - Season 18 - Head of the Snake (Episode 5).
Unknown Birthday