Nell goes under cover as replacement for a dead Defense Department researcher; the new NCIS assistant director questions Hetty's leadership.
Director:
Tony Wharmby
Cast:
Chris O'Donnell
LL Cool J
Linda Hunt
Daniela Ruah
Eric Olsen
Barrett Foa
Renée Smith
Miguel Ferrer
Erik Palladino
Katherine Sigismund
Sean McGowan
Peter Jae
E.J. Garcia
Yaniv Rokah
Michael St. Clair
Matthew Lewis