Alan Dale–
N.C.I.S. Director Tom Morrow / Homeland Senior Division Chief Tom Morrow / Tom Morrow / Homeland Security Director Tom Morrow
N.C.I.S. Director Tom Morrow / Homeland Senior Division Chief Tom Morrow / Tom Morrow / Homeland Security Director Tom Morrow
Less 6,074
14
2003–2016
Margo Harshman–
Delilah Fielding
Delilah Fielding
Less 1,762
13
2013–2017
Robert Wagner–
Anthony DiNozzo Sr. / Anthony DiNozzo, Sr / Anthony DiNozzo, Sr.
Anthony DiNozzo Sr. / Anthony DiNozzo, Sr / Anthony DiNozzo, Sr.
Less 2,867
12
2010–2018
Liza Lapira–
Agent Michelle Lee
Agent Michelle Lee
Less 4,983
12
2006–2008
Matt Craven–
Secretary of the Navy Clayton Jarvis
Secretary of the Navy Clayton Jarvis
Less 7,472
10
2011–2013
Mary Mouser–
Kelly Gibbs / Gibbs's Daughter
Kelly Gibbs / Gibbs's Daughter
Less 7,873
9
2005–2012
Merik Tadros–
Michael Rivkin / Officer Michael Rivkin / Mossad Officer Michael Rivkin
Michael Rivkin / Officer Michael Rivkin / Mossad Officer Michael Rivkin
Less 41,388
7
2008–2009
Michael Nouri–
Mossad Director Eli David / Director Eli David
Mossad Director Eli David / Director Eli David
Less 3,680
7
2008–2013
Tim Kelleher–
Agent Christopher Pacci / NCIS Special Agent Christopher Pacci
Agent Christopher Pacci / NCIS Special Agent Christopher Pacci
Less 29,568
6
2004–2015
Armand Assante–
René 'La Grenouille' / René 'La Grenouille' Benoit / La Grenouille
René 'La Grenouille' / René 'La Grenouille' Benoit / La Grenouille
Less 2,903
5
2007
Oded Fehr–
Ilan Bodnar / Ilan Bodran / Mossad Deputy Director Ilan Bodnar
Ilan Bodnar / Ilan Bodran / Mossad Deputy Director Ilan Bodnar
Less 3,278
4
2013
Jackie Geary–
Agent Susan Grady / NCIS Agent Susan Grady
Agent Susan Grady / NCIS Agent Susan Grady
Less 13,365
4
2009–2013
Jude Ciccolella–
Secretary of the Navy Phillip Davenport / SecNav Phillip Davenport
Secretary of the Navy Phillip Davenport / SecNav Phillip Davenport
Less 2,945
4
2008–2011
Matthew Willig–
NCIS Special Agent Simon Cade
NCIS Special Agent Simon Cade
Less 6,110
4
2011
Don Franklin–
Agent Ron 'Slacks' Sacks / Agent Ron Sacks
Agent Ron 'Slacks' Sacks / Agent Ron Sacks
Less 18,094
3
2005–2006
Jack Conley–
Detective Danny Sportelli / Metro Detective Danny Sportelli
Detective Danny Sportelli / Metro Detective Danny Sportelli
Less 10,725
3
2009–2017
Jon Cryer–
Dr. Cyril Taft
Dr. Cyril Taft
Less 2,522
3
2015–2016
Paul Telfer–
Damon Werth / Corporal Damon Werth
Damon Werth / Corporal Damon Werth
Less 10,356
3
2007–2010
Michael O'Neill–
Former NCIS Special Agent Riley McCallister
Former NCIS Special Agent Riley McCallister
Less 8,002
3
2010–2012
John Finn–
Marine Commandant Charles T. Ellison / Ret. General Charles T. Ellison
Marine Commandant Charles T. Ellison / Ret. General Charles T. Ellison
Less 15,433
3
2011–2017
Marisol Nichols–
ATF Special Agent Zoe Keates
ATF Special Agent Zoe Keates
Less 2,059
3
2014–2015
Ethan Rains–
NCIS Systems Administrator Kevin Hussein / Former NCIS systems administrator Kevin Hussein
NCIS Systems Administrator Kevin Hussein / Former NCIS systems administrator Kevin Hussein
Less 38,376
3
2013–2014
Adam Campbell–
Young Donald Mallard
Young Donald Mallard
Less 7,805
3
2014–2016
Allan Louis–
Capt. Dominick Wayne / Captain Wayne / Navy Captain Dominick Wayne
Capt. Dominick Wayne / Captain Wayne / Navy Captain Dominick Wayne
Less 48,878
3
2013
Tehmina Sunny–
Leyla Shakarji
Leyla Shakarji
Less 15,968
3
2009–2013
Scott Wolf–
Casey Stratton / Jonathan Cole
Casey Stratton / Jonathan Cole
Less 4,931
3
2011–2012
Dylan Bruno–
Jason Paul Dean
Jason Paul Dean
Less 7,413
2
2010
Chris McGarry–
Doctor Peter Sanger / Lieutenant Commander / Navy Lieutenant Commander Peter Sanger
Doctor Peter Sanger / Lieutenant Commander / Navy Lieutenant Commander Peter Sanger
Less 52,173
2
2012
Robert Pine–
Ben / Committee Chairman
Ben / Committee Chairman
Less 5,424
2
2003–2017
Sterling Macer Jr.–
DHS Assistant Director Chris Hegarty / Sgt. Chris Hegarty
DHS Assistant Director Chris Hegarty / Sgt. Chris Hegarty
Less 44,142
2
2004–2015
Sofia Pernas–
Marine First Lieutenant Gabriela Flores
Marine First Lieutenant Gabriela Flores
Less 6,803
2
2011
Marc Anthony Samuel–
Marine Private First Class James Hall
Marine Private First Class James Hall
Less 79,352
2
2012
Katie Roberts–
Navy Surgical Tech Ensign Joni Ryan
Navy Surgical Tech Ensign Joni Ryan
Less 71,389
2
2015
Asante Jones–
Detective Andy Kochofis / Homicide Detective Andy Kochofis
Detective Andy Kochofis / Homicide Detective Andy Kochofis
Less 67,209
2
2003–2004
Robert Patrick–
Colonel Merton Bell
Colonel Merton Bell
Less 1,898
2
2009–2010
Presilah Nunez–
NCIS Analyst Dana U. / Navy Lieutenant Commander Cheryl Stanley
NCIS Analyst Dana U. / Navy Lieutenant Commander Cheryl Stanley
Less 32,724
2
2011–2017