Mark Harmon
Leroy Jethro Gibbs (24 eps)
Sean Murray
Special Agent Timothy McGee (24 eps)
Wilmer Valderrama
Special Agent Nicholas 'Nick' Torres (24 eps)
Brian Dietzen
Dr. Jimmy Palmer (24 eps)
Diona Reasonover
Forensic Scientist Kasie Hines (24 eps)
David McCallum
Dr. Donald 'Ducky' Mallard (24 eps)
Rocky Carroll
NCIS Director Leon Vance (24 eps)
Emily Wickersham
Ellie Bishop (24 eps)
Maria Bello
Jack Sloane (24 eps)
Scott William Winters
Westley Clark (3 eps)
Mike Farrell
Miles Deakin (2 eps)
Dionne Gipson
Mallory (2 eps)
Cote de Pablo
Ziva David (1 eps)
Alexa Hamilton
Sybil Rigg (1 eps)
Rahnuma Panthaky
Neera Kapoor (1 eps)
Justin Welborn
John Zaprowski (1 eps)
Matt Nolan
Paul Spencer (1 eps)
Melinda McGraw
Diane Sterling (1 eps)
Anne Leighton
Inga Petrov (1 eps)
Carl Beukes
John Calfa (1 eps)
Mary Faber
Lori Wilson (1 eps)
Cooper Huckabee
Kyle Larson (1 eps)
Anna Khaja
Eliza Hutchins (1 eps)
Jennifer Marsala
Jennifer Larson (1 eps)
Garrett M. Brown
James Wallace (1 eps)
Doug Savant
Daniel Kent (1 eps)
Erin Cummings
Ellen Wallace (1 eps)
J.J. Hawkins
Taylor Southard (1 eps)
Brian McNamara
Noah Sykes (1 eps)
Sam Daly
Dale Moseby (1 eps)
Adam J. Harrington
Sam Hendrix (1 eps)
Aaron O'Connell
Jordan Peralta (1 eps)
Matthew Bellows
Reginald Barkley (1 eps)
Arlene Santana
Constance Shaw (1 eps)
Tommy Walker
Justin Hardy (1 eps)
Michele Boyd
Emily Ross (1 eps)
Larry Miller
Ed Slater (1 eps)
François Chau
Henry Deng (1 eps)
Ping Wu
Peter Liu (1 eps)
Sean Patrick Thomas
Ian Rackham (1 eps)
Sloane Morgan Siegel
Max Girard (1 eps)
Griffin Freeman
Eric Brown (1 eps)
Ashley Liao
Hayley (1 eps)
Matthew Glave
John McGee (1 eps)
Charles Tyler Kinder
Young McGee (1 eps)
Sammi-Jack Martincak
Young Chloe Crane (1 eps)
Audrey Moore
Chloe Crane (1 eps)
Max Deacon
Ben Ramsey (1 eps)
Sunnie Pelant
Lily Burke (1 eps)
Tim Lounibos
Paul Atwood (1 eps)
Kate Hamilton
Faith Tolliver (1 eps)
Zac Pullam
Mitch (1 eps)
Connie Jackson
Elaine (1 eps)
AJ Achinger
Spencer Cox (1 eps)
Juliette Angelo
Emily Fornell (1 eps)
Robert Wagner
Anthony DiNozzo Sr. (1 eps)
Margo Harshman
Delilah Fielding (1 eps)
Megan Gallagher
Jennifer Leo (1 eps)
Joe Spano
Senior F.B.I. Agent T.C. Fornell (1 eps)
Laura San Giacomo
Grace Confalone (1 eps)
Jessica Gardner
Olivia Kahn (1 eps)