Number Two (Leoben Conoy) Leoben Conoy, portrayed by
Callum Keith Rennie, 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 ==