List of Battlestar Galactica (2004 TV series) characters

thumb|right|500px|Promotional photo of the cast of [[Battlestar Galactica (2004 TV series)|Battlestar Galactica (2004). From left to right: Edward James Olmos as Adama, Mary McDonnell as Laura Roslin, Jamie Bamber as Lee, Katee Sackhoff as Kara, Tricia Helfer as Number Six, James Callis as Baltar and Grace Park as Number Eight.]]

Battlestar Galactica is a 2004 American military science fiction television series, and part of the Battlestar Galactica franchise. The show was developed by Ronald D. Moore and executive produced by Moore and David Eick as a re-imagining of the 1978 Battlestar Galactica television series created by Glen A. Larson. The pilot for the series first aired as a three-hour miniseries (comprising four broadcast hours in two parts) in December 2003 on Sci Fi, which was then followed by four regular seasons, ending its run on March 20, 2009.

Battlestar Galactica follows a group of human survivors fleeing the destruction of their homeworlds aboard the titular spacecraft, searching for a new home while being pursued by the Cylons, a fearsome society of robots intent on exterminating all humans. Biological models of Cylons, indistinguishable from humans, have infiltrated what remains of the human population, and their identities are revealed over the course of the series.

Main cast

{| class="wikitable" style="text-align: center;"

! width="15%" scope="col" rowspan="2" | Performer

! width="25%" scope="col" rowspan="2" | Character

! width="25%" scope="col" colspan="4" | Seasons

! width="15%" scope="col" | 1

! width="15%" scope="col" | 2

! width="15%" scope="col" | 3

! width="15%" scope="col" | 4

| scope="row" colspan="6" style="background-color:#ccccff;" | Credited during opening sequence

|Edward James Olmos

|William Adama

| colspan="4"

|Mary McDonnell

|Laura Roslin

| colspan="4"

|Katee Sackhoff

|Kara "Starbuck" Thrace

| colspan="4"

|Jamie Bamber

|Lee "Apollo" Adama

| colspan="4"

|James Callis

|Gaius Baltar

| colspan="4"

|Tricia Helfer

|Number Six

| colspan="4"

|Grace Park

|Sharon "Boomer" Valerii / Sharon "Athena" Agathon / Number Eight

| colspan="4"

| scope="row" colspan="6" style="background-color:#ccccff;" | Credited after opening sequence

|Michael Hogan

|Saul Tigh

| colspan="4"

|Aaron Douglas

|Galen Tyrol

| colspan="4"

|Tahmoh Penikett

|Karl "Helo" Agathon

| colspan="4"

|Kandyse McClure

|Anastasia Dualla

| colspan="4"

|Paul Campbell

|Billy Keikeya

| colspan="2"

|Alessandro Juliani

|Felix Gaeta

| colspan="4"

|Sam Witwer

|Alex "Crashdown" Quartararo

|

| colspan="2"

|Nicki Clyne

| Cally Henderson

|

| colspan="3"

|Michael Trucco

|Samuel Anders

| colspan="2"

Main characters

William Adama

William Adama, portrayed by Edward James Olmos, is the commanding officer of the Battlestar Galactica and military leader of the Colonial Fleet of survivors after the Cylon attack on the Twelve Colonies. A veteran of the First Cylon War, during which his call sign was "Husker", Adama has the longest tenure as the highest-ranking officer in the Colonial Fleet after the Fall of the Twelve Colonies.

Laura Roslin

Laura Roslin, portrayed by Mary McDonnell, is a former Colonial Fleet Reserve officer who is appointed Galacticas CAG (Commander of the Air Group) after the Cylon attack. The son of William Adama, Lee is a skilled Viper pilot.

Gaius Baltar

Dr. Gaius Baltar, portrayed by James Callis,

Number Eight ("Boomer" and "Athena")

Number Eight, portrayed by Grace Park, Screen Rant Craig Elvy wrote that Tigh's best moment of character development in the series was the death of his troublesome wife Ellen at his hands, though it was later rendered "meaningless" by her resurrection.

Galen Tyrol

Galen Tyrol (often called "Chief"), portrayed by Aaron Douglas, is an Electronic Countermeasures Officer, part of a two-person Colonial Raptor crew based on the Battlestar Galactica, and is paired with Sharon "Boomer" Valerii before the Cylon destruction of the Twelve Colonies. Stranding himself on the devastated planet Caprica so that Dr. Gaius Baltar can be rescued, he is unaware that Sharon is a Cylon model known as Number Eight, and subsequently falls in love with another copy of Sharon.

Anastasia Dualla

Anastasia "Dee" Dualla, portrayed by Kandyse McClure, is a communications NCO working in the CIC on board the Battlestar Galactica. She begins dating President Laura Roslin's aide Billy Keikeya, but eventually cheats on him with Viper pilot Lee Adama. Billy sees them together and confronts Dee, soon after which they are among a group held hostage by terrorists. Billy intervenes when Dee is about to be executed, saving her life and sacrificing his own. Dee pursues her relationship with Lee, eventually marrying him when the Fleet settles in New Caprica. The marriage is tested by their conflicting political beliefs and Lee's affair with Kara Thrace, and they eventually separate. In the uncertain time period immediately after discovering the radiation-soaked former home of the colonies, she commits suicide.

Billy Keikeya

Billy Keikeya, portrayed by Paul Campbell, Co-executive producer Jane Espenson said that Gaeta is completely "out" to his crew, but explains that they would not have that concept, as it is not an issue in their world. She defines him as "someone entirely free of labels, who has probably had a number of relationships, mostly with males."

Alex "Crashdown" Quartararo

Alex Quartararo (call sign "Crashdown"), portrayed by Sam Witwer, is a Raptor Electronic Countermeasures Officer from the destroyed Battlestar Triton who joins the Galactica crew. A member of a three-Raptor survey party sent to examine the planet Kobol in "Kobol's Last Gleaming", Crashdown takes command of a small group when his Raptor is shot down. His inept and life-threatening leadership of the group ends when Baltar shoots him before he can shoot Cally in "Fragged".

Cally Henderson

Cally Henderson, portrayed by Nicki Clyne, is a male humanoid Cylon model. He is introduced in the 2003 miniseries as an arms dealer hiding at the Ragnar Anchorage munitions depot, where the Galactica has come to resupply itself. He and Adama are separated from the Galactica crew by an explosion, and Leoben begins to show signs of physical distress. Adama realizes that Leoben has been affected by the electromagnetic radiation flooding the station, which is known to be harmless to humans but disrupts the silica pathways of Cylons. Leoben confirms he is a Cylon and reveals the concept of their resurrection technology to Adama before attacking the commander. Adama bludgeons Leoben to death, and his body is taken aboard the Galactica for examination. is a male humanoid Cylon model. He is introduced in the 2003 miniseries as a public relations executive handling the Galactica decommissioning to a museum. As the attacks on the Twelve Colonies commence, Doral bristles when then-Secretary of Education Roslin takes command of the starliner they are on, but is shut down by Lee Adama. Baltar discovers a Cylon tracking device on the Galactica and realizes there is a Cylon agent on board. Anxious to hide his own unwitting complicity in the attacks, and guided by Head Six, Baltar identifies a protesting Doral as the culprit. Unwilling to take a chance in their current situation, Colonel Tigh maroons Doral with basic rations at the Ragnar Anchorage munitions depot. Baltar is proven correct when Doral is rescued by a team of humanoid Cylons that includes Twos, Sixes and other Fives, as well as a single Eight. is the Galactica Chief Medical Officer, introduced in the season one episode "Act of Contrition".

Ellen Tigh

Ellen Tigh, portrayed by Kate Vernon, is the mercurial wife of Saul Tigh, who he believed was killed in the initial Cylon attack but appears alive on a rescue ship. Introduced in the season one episode "Tigh Me Up, Tigh Me Down", In season three, the human settlement on New Caprica is living under occupation by the Cylons, and Ellen is forced to be an informant for a Cavil model Cylon to keep Saul safe. When he learns of her duplicity in "Exodus", a devastated Saul poisons her himself rather than allow his fellow Resistance members to exact their retribution on her.

In "Downloaded", a D'Anna debriefs newly resurrected Cylons Caprica Six and Sharon "Boomer" Valerii, who are now considered heroes among the Cylon. Identifying her Cylon model as Number Three, D'Anna quickly realizes that Six and Boomer's experiences have made them more sympathetic to humans, and their celebrity creates the dangerous possibility that they could influence other Cylons. Six and Boomer realize that D'Anna has manipulated them to behave so that "boxing", or deactivating, them is justified. They prevent D'Anna from killing human Resistance fighter Sam Anders under the pretense that he should be interrogated, but ultimately Six has to kill this copy of D'Anna to save his life. Six and Boomer determine it will be 36 hours before this D'Anna is resurrected, giving them time to speak out publicly against the continued persecution of the human race.

In season three, D'Anna is one of the Cylons overseeing the Cylon occupation of the human settlement on New Caprica. She begins having dreams that trigger a crisis of faith in "Exodus", which leads to the discovery that the half-human, half-Cylon child Hera Agathon is still alive. D'Anna, Caprica Six and Baltar flee with Hera. D'Anna later tortures Baltar in "A Measure of Salvation", believing he is hiding information about a virus that is killing Cylons. D'Anna is in a sexual relationship with Baltar and Six in "Hero", but her dreams are intensifying. She commands a Cylon Centurion to kill her so that she may resurrect, and during the process sees "something so beautiful between life and death". In "The Passage", Baltar discovers that D'Anna has been committing suicide and resurrecting over and over, trying to learn the identities of the Final Five Cylons, which is forbidden. In "Rapture", the humans and Cylons descend on the Temple of Five, believed to hold both the secret to Earth's location and clues to the Final Five's identities. Cavil attempts to kill D'Anna to stop her from learning the truth, but Baltar kills him instead. The supernova of a local star activates a crystal vision mechanism that shows D'Anna the identities of the Final Five, but she dies before she can tell Baltar what she saw. Reawakening on a Resurrection Ship, D'Anna is told by Cavil that her messianic tendencies have shown her to be flawed, so her model will be boxed.

Subsequently in season four, a schism erupts among the Cylon models which pits the Ones, Fours and Fives against the Twos, Sixes and Eights. Cavil unboxes D'Anna in "The Hub", hoping she can negotiate a truce with the opposing faction, who have made an alliance with the humans and intend to destroy the Cylon Resurrection Hub. Ever defiant, D'Anna kills Cavil, and allows Karl Agathon to "rescue" her from the Hub, after which the humans and rebel Cylons destroy it with a nuclear strike. D'Anna reluctantly joins the human-Cylon joint venture to find the Final Five, who they believe know the way to Earth. However, as the last of the Threes, she refuses to tell Roslin what she knows until she feels safe. is a deckhand working under Galen Tyrol on Galactica in seasons one and two. In the 2006 web series The Resistance, Jammer is a member of the human Resistance against the Cylon occupation of New Caprica, but is shaken by the deaths of ten people at the hands of the Cylons in retaliation for Resistance activity. He is picked up and questioned by a Number Five Cylon model, who suggests Jammer become an informant to keep the Resistance from further damaging the fragile peace between humans and Cylons, and save human lives. Jammer balks at the idea. In season three, he has joined the New Caprica Police, ostensibly a buffer between the humans and Cylons, but functionally forced to do the Cylons' bidding. Jammer soon finds himself in over his head, as escalating strikes against the Cylons by the Resistance trigger escalating crackdowns on the populace by the Cylons. A masked Jammer helps Cally Henderson escape execution in "Precipice", and defends a fleeing President Roslin in "Exodus". In "Collaborators", Jammer is brought before a secret tribunal called The Circle, which sentences him to death for treason for his actions as part of the NCP. He begs Circle member Tyrol for mercy for saving Cally, but Tigh reasons that he has caused too many deaths and Jammer is executed via airlock. Cally is later unable to confirm for a guilt-ridden Tyrol that Jammer was the man who saved her. Writer Ronald D. Moore specifically focused "Precipice" on Jammer's role within the NCP as a means of personalizing someone working for the police force, in contrast to the focus on the Resistance in the previous episode, "Occupation".

Tucker Clellan (""), played by Christian Tessier, is a Colonial Viper pilot aboard the Battlestar Galactica. Introduced in the season two "Flight of the Phoenix", he is also a central character in the web series The Resistance. After the killing of his wife, Nora, by Cylons, Duck joins the Resistance on New Caprica. He later dies as a suicide bomber in the season three episode "Occupation".
, played by Alisen Down, is a player for the Caprica Buccaneers who, like her teammate Sam Anders, becomes part of a Resistance force against the Cylons when they devastate and occupy Caprica.
, played by Ryan Robbins, is a member of the Resistance on New Caprica, later part of "The Circle", who secretly execute 13 collaborators, including Jammer. Robbins also plays the Armistice Officer, Boxey's father, in the 2003 miniseries.
Louanne Katraine ("Kat") is a Colonial Viper pilot serving aboard Galactica. She was a former smuggler who took the identity of a dead girl, hoping to redeem herself following the attack. She and Starbuck become rivals, and the two frequently butt heads, developing a love-hate relationship. Following several near-death experiences, Kat becomes addicted to drugs she had been taking to deal with the stress, though she quits after nearly crashing her Viper while under the influence. She dies from severe radiation poisoning sustained while guiding several civilian ships out of a highly radioactive area. Played by Luciana Carro, Kat appeared in 18 episodes.
Romo Lampkin is a defense attorney, traveling on one of the civilian ships. He is called on, at different times, to defend Lee Adama and Gaius Baltar. Becomes President of the Twelve Colonies Of Kobol in the final episode, before the final survivors choose to scatter across the second Earth. Portrayed by Mark Sheppard, Lampkin appears in seven episodes.
Maya is chosen as the adoptive human mother of Hera Agathon, though she is not told who the baby is. Played by Erica Cerra, Maya appears in four episodes.
Noel Allison ("Narcho") is a senior Viper pilot on the Battlestar Pegasus who later transfers to Galactica, played by Sebastian Spence. He appears in nine episodes.
Gage is a Specialist serving on the Battlestar Pegasus, and later on Galactica, played by Mike Dopud. He appears in four episodes and serves in Gaeta's mutiny.
Peter Laird is a civilian aeronautical engineer pressed into service on the Battlestar Pegasus by order of Admiral Helena Cain after the Cylon attack on the Twelve Colonies, played by Vincent Gale. He appears in six episodes and is killed by Tom Zarek during Gaeta's mutiny.

Guest

Boxey, portrayed by Connor Widdows, is a young boy who escapes the destruction of Caprica by the Cylons. He is the son of the Armistice Officer at Armistice Station, the first casualty of the attack. The character was intended to appear in multiple episodes of the series, but Widdows's additional scenes were cut.
Admiral , portrayed by Michelle Forbes,