- Andre Braugher
- Â Captain Marcus Chaplin 13 episodes, 2012-2013
- Scott Speedman
- Â XO Sam Kendal 13 episodes, 2012-2013
- Daisy Betts
- Â Lieutenant Grace Shepard 13 episodes, 2012-2013
- Camille De Pazzis
- Â Sophie Girard 13 episodes, 2012-2013
- Dichen Lachman
- Â Tani Tumrenjack 13 episodes, 2012-2013
- Daniel Lissing
- Â James King 13 episodes, 2012-2013
- Sahr Ngaujah
- Â Julian Serrat 13 episodes, 2012-2013
- Autumn Reeser
- Â Kylie Sinclair 13 episodes, 2012-2013
- Jessy Schram
- Â Christine Kendal 13 episodes, 2012-2013
- Robert Patrick
- Â Master Chief Joseph Prosser 13 episodes, 2012-2013
- Jessica Camacho
- Â Pilar Cortez 10 episodes, 2012-2013
- Michael Ng
- Â Cameron Pitts 10 episodes, 2012-2013
- David Rees Snell
- Â Barry Hopper 9 episodes, 2012-2013
- Daniel Bess
- Â Lt. Chris Cahill 9 episodes, 2012-2013
- Jeff Parker
- Â Chief Petty Officer Davis 9 episodes, 2012-2013
- Jay Karnes
- Â Secretary of Defense William Curry 7 episodes, 2012
- Will Rothhaar
- Â Josh Brannan 7 episodes, 2012-2013
- Jay Hernandez
- Â Paul Wells 7 episodes, 2012
- Darri Ingolfsson
- Â Robert Mitchell 7 episodes, 2012-2013
- Keola Kaluhiokalani
- Â Villager 7 episodes, 2012-2013
- Bruce Davison
- Â Admiral Arthur Shepard 6 episodes, 2012-2013
- Omid Abtahi
- Â Nigel 5 episodes, 2012-2013
- Michael Gaston
- Â Barton Sinclair 5 episodes, 2012-2013
- Michael King
- Â Kevin Hawkes 5 episodes, 2012-2013
- Christopher Chabriel
- Â Villager / ... 5 episodes, 2012
- Chin Han
- Â Zheng Li 4 episodes, 2012-2013
- Michael Mosley
- Â Hal Anders 4 episodes, 2012-2013
- Jason Quinn
- Â Seaman Jones 4 episodes, 2012
- Kasim Saul
- Â Seaman Lawrence 4 episodes, 2012-2013
- Jesse Luken
- Â Wallace 4 episodes, 2012-2013
- Cody Easterbrook
- Â Villager 4 episodes, 2012-2013
- Michael A. Lilly
- Â Commander / ... 3 episodes, 2012-2013
- John Campos
- Â Senator 4 episodes, 2012-2013
- Donnell Jewell Williams
- Â Villager 4 episodes, 2012
- Gideon Emery
- Â Booth 3 episodes, 2012
- Jonathan Devereaux
- Â Fisher 3 episodes, 2012
- Bobby Davison
- Â Boston Kowalski 3 episodes, 2012-2013
- Salar Ghajar
- Â Parker 3 episodes, 2012-2013
- Jason Beghe
- Â Wes / ... 2 episodes, 2012-2013
- April Grace
- Â Amanda Straugh 2 episodes, 2012
- Ernie Hudson
- Â Conrad Buell 2 episodes, 2013
- Tyler Tuione
- Â Chief 2 episodes, 2012
- Chad Michael Collins
- Â Redman 2 episodes, 2012
- Lisa Chaly
- Â Seaman Reynolds 2 episodes, 2012
- Mary Gutzi
- Â Dodds 2 episodes, 2012
- Kimo Hugho
- Â Merchant / ... 2 episodes, 2012
- Elisa Joy White
- Â One Armed Woman 2 episodes, 2012
- Mahealani Richardson
- Â Interviewer / ... 2 episodes, 2012-2013
- Ken Baldino
- Â Peterson 2 episodes, 2012
- Angela Relucio
- Â Analyn 2 episodes, 2012-2013
- Sam Wood
- Â Hondo 2 episodes, 2012
- Sam Merritt
- Â Winer 2 episodes, 2012
- Jamie A. Marchetti
- Â Bartender 2 episodes, 2012-2013
- Hio Pelesasa
- Â Missionary 2 episodes, 2012
- Matt Gerald
- Â Gil Langston 1 episode, 2012
- Max Adler
- Â Stern 1 episode, 2012
- Cas Anvar
- Â Lieutenant Marzani 1 episode, 2012
- John Prosky
- Â Pilgrim 1 episode, 2012
- Shaun Toub
- Â Admiral Safir Ahsan 1 episode, 2012
- Assaf Cohen
- Â Linus Terman 1 episode, 2012
- Colby French
- Â Captain Evan Thorn 1 episode, 2013
- Nazneen Contractor
- Â Reena Kapur 1 episode, 2012
- Martha Hackett
- Â Forrest 1 episode, 2012
- Jenny Cooper
- Â Carol Terman 1 episode, 2012
- David Starzyk
- Â Jack Tyne 1 episode, 2013
- Sam Page
- Â Kylie's Brother 1 episode, 2012
- Ilia Volok
- Â Viktor 1 episode, 2012
- Faye Kingslee
- Â Erita 1 episode, 2012
- Carlos Leal
- Â Dr. Guttman 1 episode, 2012
- Peyton McDavitt
- Â Seaman Snyder 1 episode, 2012
- Mitchell Fink
- Â Derek West 1 episode, 2012
- Marcello Wilder
- Â Little Jeffrey 1 episode, 2012
- Sam O'Rourke
- Â Charlie 1 episode, 2012
- Tony Glorioso
- Â Maitre D' 1 episode, 2012
- Pat Skipper
- Â General Ashland 1 episode, 2013
- Vincent Duvall-DePasquale
- Â Franzen 1 episode, 2012
- Chad Lerma
- Â Ops. 1 1 episode, 2012
- Ally Perkins
- Â Mimi Van Der Holt 1 episode, 2012
- Jodi Jarvis
- Â Abigail 1 episode, 2012
- Michael Shamus Wiles
- Â General Macavoy 1 episode, 2013
- Ian Verdun
- Â Richmond 1 episode, 2012
- Jomar Miranda
- Â Sampson 1 episode, 2012
- Jonah Ho'okano
- Â Aitu 1 episode, 2012
- Pogi Tevaga
- Â Rainu 1 episode, 2012
- Emerson Tuitt
- Â Armand 1 episode, 2012
- Elizabeth Davis
- Â Singing Woman 1 episode, 2012
- Scott Hoxby
- Â Captain Butler 1 episode, 2012
- Joe Toro
- Â Corpsman Campbell 1 episode, 2012
- Fred Ochs
- Â Dr. Oscar Nils 1 episode, 2012
- Cyndi Mayo
- Â Native Woman 1 episode, 2012
- Analei Song
- Â Child 1 episode, 2012
- R. Andrew Doan
- Â Security Officer 1 episode, 2013
- Shainu Bala
- Â Kamal Marzani 1 episode, 2012
- Bill Maeda
- Â Kato 1 episode, 2012
- Michael Trisler
- Â Vogler 1 episode, 2012
- Kamakani De Dely
- Â Armed Marine 1 episode, 2012
- George Allen Gumapac
- Â Thug #1 1 episode, 2012
- Patrick Pintor
- Â Willard 1 episode, 2012
- Paulina Lule
- Â Producer 1 episode, 2012
- Allan Cole
- Â Boat Captain 1 episode, 2012
- Robert Egbert
- Â Weapons Officer 1 episode, 2012
- Daryl Emanuel
- Â Trevor 1 episode, 2012
- J.T. Netterville
- Â Seaman #1 1 episode, 2012
- Dean Kaneshiro
- Â Jake Floyd 1 episode, 2013
- Jill Kuramoto
- Â Reporter 1 episode, 2013
- Jeremy Gilbert
- Â Sympathetic Seaman 1 episode, 2012
- Jordan Kirkwood
- Â 1st Mate 1 episode, 2012
- Nicholas Copley
- Â Sailor 1 episode, 2013
- Reb Allen
- Â Sonar Op 1 episode, 2012
- Damion Scandrick
- Â Navigator 1 episode, 2012
- Mia Doi Todd
- Â Island Woman 1 episode, 2012
- Michael Cowell
- Â Senator #1 1 episode, 2012
- Kevin Louis White
- Â Jeffrey Chaplin 1 episode, 2012
- Yosef Kasnetzkov
- Â EWS Sailor 1 episode, 2012
- Butch Helemano
- Â Native Priest 1 episode, 2012
- Matthew Pennaz
- Â Research Tech 1 episode, 2012
- Stacy Ray
- Â Debriefing Officer 1 episode, 2012
- Jon Mollison
- Â Beltway Jerk 1 episode, 2012
- Andrea Elizabeth Sikkink
- Â Hair / ... 1 episode, 2012
- Alixzandra Dove
- Â Bar Patron / ... 1 episode, 2012
- Leon Sheen
- Â Chinese Soldier 1 episode, 2012
- Miguel A. Baez Jr.
- Â Navy SEAL 1 episode, 2012
- Ajax Maharlika
- Â Chinese Soldier 1 episode, 2012
- Ana Ravedutti
- Â Paul Wells Wife 1 episode, 2012
- Clint Dodson
- Â Russian Spec Ops 1 episode, 2012
- Adam Rogers
- Â Sailor 1 episode, 2012
- Peter Martorano
- Â President of the United States 1 episode, 2013
- Nancy Linsky
- Â Reporter 1 episode, 2013
- David Crary
- Â Senator 1 episode, 2013
- Chadwick Shimomura
- Â Burnt Chinese Soldier 1 episode, 2013
- Jeff Juett
- Â Sailor / ... (uncredited) 7 episodes, 2012-2013
- L.G. Michael Brown
- Â LT. Hughes (uncredited) 6 episodes, 2012-2013
- David James Sikkink
- Â Reporter (uncredited) 2 episodes, 2012-2013
- Z Zoccolante
- Â Ellen Dixon - Voluntold (uncredited) 1 episode, 2012
- Jamon Holmes
- Â Hostage (uncredited) 1 episode, 2012
- Paul Edney
- Â U.S. Navy Lieutenant (uncredited) 1 episode, 2012
- Raj K. Bose
- Â Island Villager (uncredited) 1 episode, 2012
- Energy Lewis
- Â Politician (uncredited) 1 episode, 2012
- Sandy Ritz
- Â Boat Envoy (uncredited) 1 episode, 2012
- Joseph E. Agudo
- Â Pedestrian (uncredited) 1 episode, 2012
- Sone Tuvale
- Â Island Villager (uncredited) 1 episode, 2012
- Heidi Ellyn
- Â Senator (uncredited) 1 episode, 2013