Elenco Principal da Temporada 8

1. 

   Mark Harmon

   Leroy Jethro Gibbs

2. 

   Sean Murray

   Timothy McGee

3. 

   Wilmer Valderrama

   Nick Torres

4. 

   Katrina Law

   Jessica Knight

5. 

   Brian Dietzen

   Jimmy Palmer

6. 

   David McCallum

   Dr. Donald 'Ducky' Mallard

7. 

   Rocky Carroll

   Leon Vance

8. 

   Diona Reasonover

   Kasie Hines

Convidados Especiais 6

1. 

   Gary Cole

   Alden Parker

2. 

   Meredith Eaton

   Carol Wilson

3. 

   Elle Graper

   Victoria Palmer

4. 

   Patrick Bristow

   Channing Elroy

5. 

   Benita Krista Nall

   Amanda Wright

6. 

   Michelle Pierce

   Breena Palmer

Equipa técnica 3