Nature of the Beast


Episode Info

In the ninth-season opener, Tony's secret assignment for the SECNAV leads to an NCIS agent's death and leaves Tony and Gibbs to solve the mystery of how the tragedy occurred.


Mark Harmon
as Leroy Jethro Gibbs
Michael Weatherly
as Anthony Dinozzo
David McCallum
as Donald 'Ducky' Mallard
Pauley Perrette
as Abby Sciuto
Sean Murray
as Timothy McGee
Cote de Pablo
as Ziva David
Rocky Carroll
as Leon Vance
Brian Dietzen
as Jimmy Palmer
Sarah Jane Morris
as Erica Jane "E.J." Barrett
Wendy Makkena
as Dr. Rachel Cranston
Matthew Willig
as Simon Cade
Matt Craven
as SECNAV Clayton Jarvis
Scott Wolf
as Casey Stratton
Phillip Casnoff
as Sean Latham
Bryan Friday
as Capt. Felix Wright
Alimi Ballard
as Gayne Levin
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Nature of the Beast Photos