- Edward James Olmos
- Â Admiral William Adama / ... 74 episodes, 2004-2009
- Mary McDonnell
- Â President Laura Roslin 74 episodes, 2004-2009
- Jamie Bamber
- Â Cpt. Lee 'Apollo' Adama / ... 74 episodes, 2004-2009
- James Callis
- Â Dr. Gaius Baltar / ... 74 episodes, 2004-2009
- Tricia Helfer
- Â Number Six / ... 74 episodes, 2004-2009
- Grace Park
- Â Lt. Sharon 'Boomer' Valerii / ... 74 episodes, 2004-2009
- Katee Sackhoff
- Â Captain Kara 'Starbuck' Thrace / ... 72 episodes, 2004-2009
- Michael Hogan
- Â Colonel Saul Tigh 70 episodes, 2004-2009
- Aaron Douglas
- Â Chief Galen Tyrol 67 episodes, 2004-2009
- Tahmoh Penikett
- Â Captain Karl 'Helo' Agathon / ... 65 episodes, 2004-2009
- Alessandro Juliani
- Â Lt. Felix Gaeta 59 episodes, 2004-2009
- Kandyse McClure
- Â Officer Anastasia Dualla / ... 54 episodes, 2004-2009
- Bodie Olmos
- Â Lt. Brendan 'Hot Dog' Constanza / ... 36 episodes, 2004-2009
- Donnelly Rhodes
- Â Dr. Cottle / ... 37 episodes, 2004-2009
- Michael Trucco
- Â Ensign Samuel Anders / ... 36 episodes, 2005-2009
- Nicki Clyne
- Â Crewman Specialist Cally Henderson / ... 35 episodes, 2004-2009
- Leah Cairns
- Â Racetrack / ... 34 episodes, 2005-2009
- Rekha Sharma
- Â Tory Foster 32 episodes, 2006-2009
- Paul Campbell
- Â Billy Keikeya 25 episodes, 2004-2006
- Kate Vernon
- Â Ellen Tigh 24 episodes, 2004-2009
- Richard Hatch
- Â Tom Zarek 22 episodes, 2004-2009
- Jen Halley
- Â Ensign Diana 'Hardball' Seelix / ... 21 episodes, 2005-2009
- Callum Keith Rennie
- Â Leoben Conoy 20 episodes, 2004-2009
- Brad Dryborough
- Â Lt. Louis Hoshi / ... 20 episodes, 2006-2009
- Matthew Bennett
- Â Aaron Doral 19 episodes, 2004-2009
- Luciana Carro
- Â Louanne 'Kat' Katraine / ... 18 episodes, 2004-2006
- Lucy Lawless
- Â D'Anna Biers 16 episodes, 2005-2009
- Dean Stockwell
- Â John Cavil 15 episodes, 2006-2009
- Colin Lawrence
- Â Lt. Hamish 'Skulls' McCall / ... 13 episodes, 2006-2009
- Colin Corrigan
- Â Marine Allan Nowart 13 episodes, 2007-2009
- Sam Witwer
- Â Crashdown 11 episodes, 2004-2005
- Kerry Norton
- Â Medic Layne Ishay / ... 10 episodes, 2005-2009
- Christina Schild
- Â Playa Palacios / ... 10 episodes, 2004-2009
- Lara Gilchrist
- Â Paulla Schaffer / ... 10 episodes, 2008-2009
- Dominic Zamprogna
- Â Jammer 10 episodes, 2004-2006
- Don Thompson
- Â Specialist 3rd Class Anthony Figurski / ... 10 episodes, 2005-2009
- Tiffany Lyndall-Knight
- Â The Hybrid / ... 9 episodes, 2006-2009
- Rick Worthy
- Â Simon 9 episodes, 2005-2009
- Sebastian Spence
- Â Lt. Noel 'Narcho' Allison / ... 9 episodes, 2005-2009
- Keegan Connor Tracy
- Â Jeanne 9 episodes, 2007-2009
- Lorena Gale
- Â Elosha 8 episodes, 2004-2008
- Alonso Oyarzun
- Â Crewman Specialist Socinus / ... 8 episodes, 2004-2005
- Alisen Richmond-Peck
- Â Jean Barolay 8 episodes, 2006-2008
- Biski Gugushe
- Â Sekou Hamilton / ... 8 episodes, 2004-2009
- Ty Olsson
- Â Captain Aaron Kelly / ... 8 episodes, 2005-2009
- Mark Sheppard
- Â Romo Lampkin 7 episodes, 2007-2009
- Ryan Robbins
- Â Charlie Connor 7 episodes, 2006-2009
- Eileen Pedde
- Â Sgt. Erin Mathias / ... 7 episodes, 2006-2008
- Leela Savasta
- Â Tracey Anne 7 episodes, 2008-2009
- Andrew McIlroy
- Â Jacob Cantrell 7 episodes, 2008-2009
- Judith Maxie
- Â Picon Delegate 7 episodes, 2008-2009
- Iris Paluly
- Â Speaking Delegate #2 / ... 6 episodes, 2008-2009
- Marilyn Norry
- Â Reza Chronides 6 episodes, 2008-2009
- Alexandra Thomas
- Â Hera Agathon 6 episodes, 2008-2009
- Ryan McDonell
- Â Lt. Eammon 'Gonzo' Pike / ... 6 episodes, 2006-2008
- Darcy Laurie
- Â Dealino 4 episodes, 2009
- Christian Tessier
- Â Tucker 'Duck' Clellan 5 episodes, 2005-2006
- Vincent Gale
- Â Chief Peter Laird 5 episodes, 2005-2009
- Donna Soares
- Â Speaking Delegate #1 / ... 5 episodes, 2008-2009
- Iliana Gomez-Martinez
- Â Hera Agathon / ... 5 episodes, 2009
- Finn R. Devitt
- Â Nicky Tyrol 5 episodes, 2008-2009
- Madeleine Parker
- Â Kacey 5 episodes, 2006
- Aleks Paunovic
- Â Marine Sgt. Omar Fischer / ... 4 episodes, 2005-2007
- Graham Beckel
- Â Colonel Jack Fisk / ... 4 episodes, 2005-2006
- Chris Shields
- Â Cpl. Venner 4 episodes, 2005
- Patricia Idlette
- Â Sarah Porter 4 episodes, 2005-2006
- Erica Cerra
- Â Maya 4 episodes, 2006
- Heather Doerksen
- Â Sgt. Brandy Harder 4 episodes, 2005-2008
- Tobias Mehler
- Â Zak / ... 4 episodes, 2004-2009
- Veena Sood
- Â Quorum Delegate 4 episodes, 2008-2009
- Mike Dopud
- Â Crewman Specialist Gage / ... 3 episodes, 2005-2009
- Derek Delost
- Â Crewman Specialist Vireem / ... 3 episodes, 2005-2009
- Michelle Forbes
- Â Admiral Helena Cain 3 episodes, 2005-2006
- Malcolm Stewart
- Â Marshall Bagot 3 episodes, 2005
- David Kaye
- Â James McManus 3 episodes, 2005-2006
- Diego Diablo Del Mar
- Â Hillard 3 episodes, 2006-2007
- P.J. Prinsloo
- Â Lt. Mei 'Freaker' Firelli 3 episodes, 2005-2006
- Susan Hogan
- Â Captain Doyle Franks 3 episodes, 2007-2009
- Sonja Bennett
- Â Specialist 2nd Class Marcie Brasko 3 episodes, 2008-2009
- Alison Matthews
- Â Karen Fallbrook 3 episodes, 2007
- Stephen Holmes
- Â Reporter #1 / ... 3 episodes, 2007
- Curtis Ricks
- Â Marine Sergeant / ... 3 episodes, 2004-2005
- William Samples
- Â Judge #2 / ... 3 episodes, 2007-2009
- Lee Jeffery
- Â Lt. Paolo 'Redwing' McKay 3 episodes, 2008
- Anthony St. John
- Â Marine #2 3 episodes, 2009
- Warren Christie
- Â Tarn 2 episodes, 2005
- David Patrick Green
- Â Xeno Fenner 2 episodes, 2007-2009
- Roark Critchlow
- Â Slick 2 episodes, 2009
- Eric Breker
- Â Chu / ... 2 episodes, 2004-2006
- James Remar
- Â Meier 2 episodes, 2005
- Jill Teed
- Â Sgt. Hadrian 2 episodes, 2004
- Chelah Horsdal
- Â Didi Cassidy 2 episodes, 2007
- G. Patrick Currie
- Â Enzo 2 episodes, 2006-2009
- John Pyper-Ferguson
- Â Captain Cole 'Stinger' Taylor 2 episodes, 2005-2006
- Kurt Evans
- Â Paramedic Howard Kim / ... 2 episodes, 2005
- Cailin Stadnyk
- Â Ensign Davis 2 episodes, 2005
- Tamara Lashley
- Â Sue-Shaun 2 episodes, 2005
- Erika-Shaye Gair
- Â Young Kara 2 episodes, 2007-2009
- Terry Chen
- Â Chuckles / ... 2 episodes, 2004-2005
- Colby Johannson
- Â Lt. Dwight 'Flat-Top' Saunders 2 episodes, 2004
- Charles Singh
- Â Kimmit 2 episodes, 2004-2005
- James Ashcroft
- Â Security Officer / ... 2 episodes, 2005-2006
- Winston Rekert
- Â Priest 2 episodes, 2006
- Steve Lawlor
- Â Guard / ... 2 episodes, 2007-2008
- Jamie Bell
- Â ECO / ... 2 episodes, 2005-2006
- Tygh Runyan
- Â Private Sykes 2 episodes, 2006-2007
- Michael Leisen
- Â Pvt. Stewart Jaffee 2 episodes, 2007-2009
- Chris Boyd
- Â Cheadle 2 episodes, 2007
- Laara Sadiq
- Â Priestess 2 episodes, 2008
- Michael Tayles
- Â Flyboy 2 episodes, 2005
- Jeremy Guilbaut
- Â Lt. Joe 'Hammerhead' Palladino / ... 2 episodes, 2005
- Emilie Ullerup
- Â Julia 2 episodes, 2006
- Kevin McNulty
- Â Frank Porthos 2 episodes, 2009
- Craig Veroni
- Â LCPL Eduardo Maldonado 2 episodes, 2008-2009
- Richard Jollymore
- Â Marine #1 2 episodes, 2009
- Jim Shield
- Â Karma 1 episode, 2005
- Patrick Harrison
- Â Bell 1 episode, 2005-2007
- Patrick Gilmore
- Â Rafferty 2 episodes, 2009
- Curtis Caravaggio
- Â Marine Nathanson / ... 2 episodes, 2009
- Simone Bailly
- Â Shona 1 episode, 2009
- Paul Lazenby
- Â Fischer's Opponent / ... 1 episode, 2005-2006
- Claudette Mink
- Â Shevon 1 episode, 2006
- Mark Houghton
- Â Vinson 1 episode, 2006
- Connor Widdows
- Â Boxey 1 episode, 2004
- Carl Lumbly
- Â Lt. Danny 'Bulldog' Novacek 1 episode, 2006
- Lucinda Jenney
- Â Carolanne Adama 1 episode, 2007
- John Heard
- Â Commander Barry Garner 1 episode, 2006
- Colm Feore
- Â President Richard Adar 1 episode, 2006
- Bill Duke
- Â Phelan 1 episode, 2006
- Christopher Jacot
- Â Ensign Brent 'BB' Baxton 1 episode, 2006
- David Neale
- Â Page 1 episode, 2006
- Dorothy Lyman
- Â Socrata Thrace 1 episode, 2007
- John Hodgman
- Â Dr. Gerard 1 episode, 2009
- Axel Green
- Â Deckhand 1 episode, 2004
- Robert Wisden
- Â Wallace Gray 1 episode, 2005
- Dana Delany
- Â Sesha Abinell 1 episode, 2006
- Amanda Plummer
- Â Oracle Selloi 1 episode, 2006
- Sean J. Dory
- Â Ensign Joseph 'JoJo' Clark 1 episode, 2006
- Tom Bower
- Â Joe 1 episode, 2007
- Samantha Ferris
- Â Pollux 1 episode, 2007
- Stefanie von Pfetten
- Â Cpt. Marcia 'Showboat' Case 1 episode, 2006
- Amy Lalonde
- Â Gianne 1 episode, 2006
- Paul Perri
- Â Royan Jahee 1 episode, 2006
- Michael Ryan
- Â Ray Abinell 1 episode, 2006
- Bruce Davison
- Â Dr. Michael Robert 1 episode, 2007
- Wesley Salter
- Â Redford 1 episode, 2007
- Adrien Dorval
- Â Wilkens 1 episode, 2004
- Alex Zahara
- Â Valance 1 episode, 2005
- Kavan Smith
- Â Lt. Richard 'Buster' Baier 1 episode, 2006
- Adrian G. Griffiths
- Â Lt. Terry Burrell 1 episode, 2006
- Haley Guiel
- Â Paya 1 episode, 2006
- Graeme Duffy
- Â Adrien Bauer 1 episode, 2007
- Nana Visitor
- Â Emily Kowalski 1 episode, 2008
- Ron Selmour
- Â Seaborne 1 episode, 2004
- Benjamin Ayres
- Â Lt. George 'Catman' Birch 1 episode, 2005
- Patrick Gallagher
- Â Grimes 1 episode, 2005
- Stephen Spender
- Â Pilot 1 episode, 2005
- Erica Carroll
- Â Civilian 1 episode, 2006
- Amber Rothwell
- Â Rya Kibby 1 episode, 2006
- John Mann
- Â Linden 1 episode, 2006
- Barry Kennedy
- Â Admiral Corman 1 episode, 2006
- Jerry Wasserman
- Â Cabott 1 episode, 2007
- Camille Atebe
- Â Sarah Ryan 1 episode, 2007
- Jason Bryden
- Â Knucklehead Dragger #1 1 episode, 2007
- Alana Husband
- Â Nurse Sashon 1 episode, 2008
- Bill Meilen
- Â Caprica Cleric 1 episode, 2004
- Fulvio Cecere
- Â Lt. Alastair Thorne 1 episode, 2005
- Linnea Sharples
- Â Lt. Emmitt 'Sweetness' Jones 1 episode, 2005
- James Upton
- Â Environmental Specialist 1 episode, 2006
- Georgia Craig
- Â Oracle Yolanda Brenn 1 episode, 2007
- Samuel Patrick Chu
- Â Milo 1 episode, 2007
- Shaun Omaid
- Â Shaunt 1 episode, 2008
- Rebecca Davis
- Â Naia 1 episode, 2009
- Brent Stait
- Â Mason 1 episode, 2004
- Kevan Kase
- Â Pvt. Scott Kelso 1 episode, 2005
- David Richmond-Peck
- Â Naylin Stans 1 episode, 2006
- Brad Mann
- Â Pegasus Marine 1 episode, 2006
- Georgia Hacche
- Â Petty Officer Sian 1 episode, 2006
- Bryce Hodgson
- Â Danny Noon 1 episode, 2007
- Merwin Mondesir
- Â Marine #1 1 episode, 2009
- Shaw Madson
- Â Marine Corporal 1 episode, 2004
- Graham Young
- Â Marine #1 1 episode, 2004
- Yee Jee Tso
- Â Staffer 1 episode, 2005
- Holly Elissa
- Â Asha Janik 1 episode, 2006
- Sean Connor Roche
- Â Hungry Boy 1 episode, 2006
- Gustavo Febres
- Â Herbalist 1 episode, 2006
- Tyler McClendon
- Â Alan Hughes 1 episode, 2007
- Lukas Pummell
- Â Derrick 1 episode, 2008
- Tammy Gillis
- Â Marine #2 1 episode, 2009
- Nimet Kanji
- Â Candace Myson - Tribunal 1 episode, 2004
- Paul Cummings
- Â Fireball / ... 1 episode, 2005
- Aaron Pearl
- Â Ensign Abel Thornton 1 episode, 2006
- Jennifer Kitchen
- Â Marine 1 episode, 2006
- Ian Rozylo
- Â Convulsing Pilot 1 episode, 2006
- Gabrielle Rose
- Â Mrs. King 1 episode, 2007
- Cherilynn Fulbright
- Â Dionne 1 episode, 2009
- Camille Sullivan
- Â Pilot / ... 1 episode, 2005
- Michael Jonsson
- Â Pegasus Guard #1 1 episode, 2005
- Rachel Hayward
- Â Blonde Woman 1 episode, 2006
- Scott Little
- Â Willie King 1 episode, 2007
- Lori Triolo
- Â Phoebe 1 episode, 2008
- Morris Chapdelaine
- Â Reporter #2 1 episode, 2004
- Tammy Hui
- Â ECO Lyla 'Shark' Ellway 1 episode, 2006
- Aaron Brooks
- Â Mr. Buckminster 1 episode, 2007
- Ivan Cermak
- Â Corporal D. Wallace 1 episode, 2009
- Garvin Cross
- Â Collishaw 1 episode, 2005
- Nicholas Treeshin
- Â Sgt. Watkins 1 episode, 2005
- Troy Everett
- Â Marine 1 episode, 2005
- Mylène Dinh-Robic
- Â Officer #1 1 episode, 2006
- James Lafazanos
- Â Civvie 1 episode, 2007
- Torrance Coombs
- Â Lance Corporal C. Sellers 1 episode, 2009
- Brad Loree
- Â Bonnington 1 episode, 2005
- Mario Battista
- Â Gardener 1 episode, 2005
- Kimani Ray Smith
- Â Pegasus Sergeant 1 episode, 2006
- Françoise Robertson
- Â Woman 1 episode, 2007
- Eliza Norbury
- Â Civvie #2 1 episode, 2007
- Karen Austin
- Â Lilly 1 episode, 2008
- Barry Nerling
- Â Adama's Corporal 1 episode, 2008
- Samantha Kaine
- Â Off-Duty Crew Person 1 episode, 2009
- Lori Stewart
- Â Twinam 1 episode, 2005
- Byron Lawson
- Â Pilot #4 1 episode, 2006
- Kurt Max Runte
- Â Ensign Charles Bellamy 1 episode, 2006
- Larissa Stadnichuk
- Â Suicide Bomber 1 episode, 2006
- Hector Johnson
- Â Marine Lieutenant 1 episode, 2008
- Antony Holland
- Â Julius Baltar 1 episode, 2009
- Holly Eglinton
- Â Stripper 1 episode, 2009
- Adrian Holmes
- Â Specialist Parr 1 episode, 2009
- Elan Ross Gibson
- Â Nurse Barbara 1 episode, 2009
- France Perras
- Â Sandra Roslin 1 episode, 2009
- Sarah Deakins
- Â Cheryl Roslin 1 episode, 2009
- Tiffany Burns
- Â Reporter Carolyn 1 episode, 2009
- Akotene Chanoine
- Â Marine Reb 1 episode, 2009
- Stefanie Samuels
- Â Police Officer 1 episode, 2009
- Mercy Saidi
- Â Pegasus Guard 1 episode, 2005
- Amy Esterle
- Â Baltar's Aide 1 episode, 2006
- Debora Bastos
- Â Caprican Dancer 1 episode, 2006
- Jeff Sanca
- Â Pyramid Player 1 episode, 2008
- Marci T. House
- Â Herbalist / ... 1 episode, 2009
- Jacqueline Ann Steuart
- Â Captain Sarah Alchemer 1 episode, 2009
- Ashley Ball
- Â Raptor Pilot 1 episode, 2009
- Leo Chiang
- Â Tattooed pilot / ... (uncredited) 5 episodes, 2008-2009
- John Hoving
- Â Crewman in bar / ... (uncredited) 2 episodes, 2007-2009
- Skylar Tyj
- Â Calvin (uncredited) 2 episodes, 2009
- Ally Warren
- Â Reporter #4 (uncredited) 1 episode, 2004
- Ken Jones
- Â Prisoner (uncredited) 1 episode, 2004
- Jeff Dimitriou
- Â Dancer (uncredited) 1 episode, 2005
- Rob Hayter
- Â Sons of Ares Leader (uncredited) 1 episode, 2008
- Dan Payne
- Â Sean Ellison (uncredited) 1 episode, 2009
- Ronald D. Moore
- Â Man with Magazine (uncredited) 1 episode, 2009
- Bear McCreary
- Â Guest at Bar (uncredited) 1 episode, 2009
- Doug Drexler
- Â Man in Hangar Bay (uncredited) 1 episode, 2009
- David Weddle
- Â Guest at bar (uncredited) 1 episode, 2009
- Bradley Thompson
- Â Guest at bar (uncredited) 1 episode, 2009
- Michael Angeli
- Â Bystander at Funeral (uncredited) 1 episode, 2009
- Maria Gallo
- Â Acolyte #1 (uncredited) 1 episode, 2009