Stała obsada sezonu 9

1. 

   Mark Harmon

   Leroy Jethro Gibbs

2. 

   Sean Murray

   Timothy McGee

3. 

   Wilmer Valderrama

   Nick Torres

4. 

   Brian Dietzen

   Jimmy Palmer

5. 

   David McCallum

   Dr. Donald 'Ducky' Mallard

6. 

   Emily Wickersham

   Ellie Bishop

7. 

   Maria Bello

   Jack Sloane

8. 

   Rocky Carroll

   Leon Vance

9. 

   Diona Reasonover

   Kasie Hines

Goście specjalni 8

1. 

   Katie Leclerc

   Marine Staff Sergeant Diana Murphy

2. 

   William R. Moses

   Edison Geary

3. 

   David Burke

   George Ingram

4. 

   Peter Graham

   Christopher Crane

5. 

   Mo Beatty

   Payload Operator

6. 

   Amir M. Korangy

   Professor Zahir Najjar

7. 

   Adam Zastrow

   Ronald Kepczak

8. 

   Timothy Hornor

   Ian

Ekipa 2