Battlestar Galactica (TV) Cast
The cast of Battlestar Galactica. Updated on October 8, 2025.
233 actors
Edward James Olmos
as William Adama (73 episodes)

Edward James Olmos portrays William Adama, the strong and determined military leader of the human fleet. Adama is a seasoned and respected officer who becomes the commanding officer of the Battlestar Galactica, the last remaining warship of the Twelve Colonies.

Mary McDonnell
as Laura Roslin (73 episodes)

Mary McDonnell portrays Laura Roslin, the Secretary of Education who becomes the President of the Twelve Colonies after the devastating Cylon attack. Roslin is a strong and capable leader who navigates the political challenges of leading the human survivors.

Jamie Bamber
as Lee 'Apollo' Adama (73 episodes)

Jamie Bamber portrays Lee 'Apollo' Adama, the son of William Adama and a skilled Viper pilot. Apollo struggles with his own morality and his strained relationship with his father as they face the challenges of survival in a hostile universe.

Katee Sackhoff
as Kara 'Starbuck' Thrace (73 episodes)

Katee Sackhoff portrays Kara 'Starbuck' Thrace, a fearless and talented Viper pilot. Starbuck is known for her exceptional skills in combat and her rebellious personality, making her a central figure in the ongoing battle against the Cylons.

James Callis
as Gaius Baltar (73 episodes)

James Callis portrays Gaius Baltar, a brilliant scientist who inadvertently helps the Cylons destroy the Twelve Colonies. Baltar becomes a complex and morally ambiguous character, torn between his own selfish desires and the need to help humanity survive.

Tricia Helfer
as Number Six (73 episodes)

Tricia Helfer portrays Number Six, a Cylon infiltrator who takes on various physical forms throughout the series. Number Six is a seductive and manipulative character who plays a pivotal role in the interactions between humans and Cylons.

Tahmoh Penikett
as Karl 'Helo' Agathon (73 episodes)

Tahmoh Penikett portrays Karl 'Helo' Agathon, a loyal and honorable Viper pilot. Helo is one of the few humans who forms a relationship with a Cylon and grapples with his own identity and loyalty in the midst of the ongoing conflict.

Grace Park
as Sharon 'Boomer' Valerii (73 episodes)

Grace Park portrays Sharon 'Boomer' Valerii, a Cylon sleeper agent who believes she is human. Boomer faces internal struggles as she becomes aware of her true nature and must reconcile her loyalty to the human race with her programming as a Cylon.

Michael Hogan
as Saul Tigh (73 episodes)
Aaron Douglas
as Galen Tyrol (73 episodes)
Michael Trucco
as Samuel T. Anders (25 episodes)
Callum Keith Rennie
as Leoben (53 episodes)
Paul Campbell
as Billy Keikeya (23 episodes)
Lucy Lawless
as D'Anna Biers (16 episodes)
Kate Vernon
as Ellen Tigh (22 episodes)
Rekha Sharma
as Tory Foster (31 episodes)
Alessandro Juliani
as Felix Gaeta (53 episodes)
Kandyse McClure
as Anastasia Dualla (33 episodes)
Dana Delany
as Sesha Abinell (1 episode)
Bruce Davison
as Dr. Michael Robert (1 episode)
Jerry Wasserman
as Cabott (1 episode)
Dorothy Lyman
as Socrata Thrace (1 episode)
Lucinda Jenney
as Carolanne Adama (1 episode)
Nana Visitor
as Emily Kowalski (1 episode)
Michelle Forbes
as Admiral Helena Cain (3 episodes)
Connor Widdows
as Boxey (1 episode)
Warren Christie
as Tarn (2 episodes)
Colm Feore
as President Richard Adar (1 episode)
Bill Duke
as Phelan (1 episode)
Gabrielle Rose
as Mrs. King (1 episode)
Chelah Horsdal
as Didi Cassidy (2 episodes)
Fulvio Cecere
as Lt. Alastair Thorne (1 episode)
Jill Teed
as Sgt. Hadrian (2 episodes)
Benjamin Ayres
as Lt. George 'Catman' Birch (1 episode)
Paul Perri
as Royan Jahee (1 episode)
John Heard
as Commander Barry Garner (1 episode)
Carl Lumbly
as Lt. Danny 'Bulldog' Novacek (1 episode)
Robert Wisden
as Wallace Gray (1 episode)
Holly Dignard
as Asha Janik (1 episode)
Eric Breker
as Chu (2 episodes)
Kavan Smith
as Lt. Richard 'Buster' Baier (1 episode)
Roark Critchlow
as Slick (2 episodes)
John Pyper-Ferguson
as Captain Cole 'Stinger' Taylor (2 episodes)
Samantha Ferris
as Pollux (1 episode)
John Hodgman
as Dr. Gerard (1 episode)
Patrick Gallagher
as Grimes (1 episode)
David Richmond-Peck
as Naylin Stans (1 episode)
Claudette Mink
as Shevon (1 episode)
Terry Chen
as Chuckles (2 episodes)
Graham Beckel
as Colonel Jack Fisk (4 episodes)
Alex Zahara
as Valance (1 episode)
Stephen Spender
as Pilot (1 episode)
Brad Loree
as Bonnington (1 episode)
Nimet Kanji
as Candace Myson (1 episode)
Sonja Bennett
as Specialist 2nd Class Marcie Brasko (3 episodes)
Adrien Dorval
as Wilkens (1 episode)
Ron Selmour
as Seaborne (1 episode)
Brent Stait
as Mason (1 episode)
Graham Young
as Marine #1 (1 episode)
Colby Johannson
as Lt. Dwight 'Flat-Top' Saunders (2 episodes)
Shaw Madson
as Marine Corporal (1 episode)
Morris Chapdelaine
as Reporter (1 episode)
Nicholas Treeshin
as Sgt. Watkins (1 episode)
Lorena Gale
as Elosha (8 episodes)
Jim Shield
as Karma (1 episode)
Alonso Oyarzun
as Crewman Specialist Socinus (8 episodes)
Garvin Cross
as Collishaw (1 episode)
Kurt Evans
as Paramedic Howard Kim (2 episodes)
Lori Stewart
as Twinam (1 episode)
Troy Everett
as Marine (1 episode)
Axel Green
as Deckhand (1 episode)
Jeremy Guilbaut
as Lt. Joe 'Hammerhead' Palladino (2 episodes)
Curtis Ricks
as Marine Sergeant (3 episodes)
Paul Cummings
as Fireball (1 episode)
Kevan Kase
as Pvt. Scott Kelso (1 episode)
Camille Sullivan
as Stepchild (1 episode)
Patrick Harrison
as Bell (1 episode)
Cailin Stadnyk
as Ensign Davis (2 episodes)
Mario Battista
as Gardener (1 episode)
Yee Jee Tso
as Staffer (1 episode)
Sam Witwer
as Crashdown (9 episodes)
Chris Shields
as Cpl. Venner (4 episodes)
Tamara Lashley
as Sue-Shaun (2 episodes)
Biski Gugushe
as Reporter Sekou Hamilton (9 episodes)
Malcolm Stewart
as Marshall Bagot (3 episodes)
Linnea Sharples
as Lt. Emmitt 'Sweetness' Jones (1 episode)
James Ashcroft
as Spectator (1 episode)
James Remar
as Meier (2 episodes)
Charles Singh
as Kimmit (2 episodes)
Michael Jonsson
as Pegasus Guard (1 episode)
Jennifer Kitchen
as Marine (1 episode)
Amy Lalonde
as Gianne (1 episode)
Haley Guiel
as Paya (1 episode)
John Mann
as Linden (1 episode)
Jamie Bell
as ECO (1 episode)
Brad Mann
as Pegasus Marine (1 episode)
Gustavo Febres
as Herbalist (1 episode)
Christopher Jacot
as Ensign Brent 'BB' Baxton (1 episode)
Sean J. Dory
as Ensign Joseph 'JoJo' Clark (1 episode)
Mark Houghton
as Vinson (1 episode)
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