Callandra Tyrol

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Callandra Tyrol
Callandra Tyrol


Birth place {{{birthplace}}}
Birth Name Cally Henderson
Birth Date {{{birthdate}}}
Nickname {{{nickname}}}
Introduced Miniseries
Death Released out of an airlock (The Ties That Bind)
Children Nicholas Tyrol
Marital Status Wife of Galen Tyrol
Family Tree View
Role Deckhand, Deck Crew 5, Battlestar Galactica
Rank Petty Officer 2nd Class
Serial Number {{{serial}}}
Portrayed by Nicki Clyne
Callandra Tyrol is a Cylon
Callandra Tyrol is a Final Five Cylon
Callandra Tyrol is a Human/Cylon Hybrid
Callandra Tyrol is an Original Series Cylon
Additional Information
Callandra Tyrol in the separate continuity
Callandra Tyrol in the primary continuity
[[Image:|200px|Callandra Tyrol]]


Specialist Cally Henderson Tyrol is a young woman who joined the Colonial Fleet as a means to pay for dental school (Fragged). Cally is not fond of FTL jumps (Miniseries), possibly because she suffers nausea during them (Kobol's Last Gleaming, Part I).

Cally, as well as her boss, Chief Tyrol, seems prone to anger after a terrible event. Unlike the Chief, Cally tends to take decisive action as a result of her anger, rather than becoming immobile or overly irrational.

Cally is particularly adept at finding ways around the lack of replacement parts aboard Galactica. As Chief Tyrol often comments, Cally's small stature allows her better access to smaller spaces in the Vipers and Raptors she repairs.

Character History at a Glance

  • Cally (who is never refered to by her surname) is a deckhand aboard battlestar Galactica, working under the supervision of Chief Galen Tyrol at the time of the battlestar's scheduled decommissioning.
  • Cally is attached to Deck Crew 5 and responsible for Viper and Raptor maintenance (Miniseries).
  • Cally survives the initial attacks to Galactica in the wake of the Fall of the Twelve Colonies, but loses many friends, including Prosna, a fellow deckhand, after the battlestar manages fire damage after being struck by a nuclear missile.
  • During an ill-fated mission to the Astral Queen, Cally is nearly raped by prisoner Mason. He shoots her after she bites his ear off in defense. Cally is returned to Galactica's sickbay for treatment, where she is given the nickname "Specialist Lazy" in jest by her comrades.
  • Along with the rest of the deck crew, Cally lies under oath to protect Chief Tyrol during a tribunal on a Cylon infiltration and attack (Litmus).
  • For the next several weeks, Cally assists Chief Tyrol in examining the captured Cylon Raider brought aboard Galactica (Six Degrees of Separation).
  • On a Raptor Scout team bound for Kobol (Kobol's Last Gleaming, Part I). Cally's Raptor is attacked upon emerging from a Jump, resulting in a crash on Kobol. As one of the few that was relatively unhurt, Cally later returns to the crash site with Chief Tyrol and Tarn, and barely makes it back alive with a forgotten medkit for Socinus (Scattered). However, the recovered medkit is too late to save Socinus, which greatly saddens Cally (Valley of Darkness).
  • Crashdown gives Cally an assuredly suicidal order as part of his attack to disable a Cylon anti-missile battery that threatens their expected SAR rescue. Cally is so terrified that she freezes in place. Losing control, Crashdown threatens to shoot her if she does not obey. Just before Crashdown shoots Cally, Dr. Gaius Baltar shoots him in the back, killing Crashdown instantly.
  • Seelix is shot in their retreat, but Cally saves her life by carrying her further ahead. A rescue team of Raptors arrives, and Cally returns to Galactica with the survivors (Fragged).
  • Cally's anger transfers to Gaius Baltar when the Chief is arrested and accused of being a Cylon himself due to his past relationship with Boomer, and threatens to reveal Baltar's part in Crashdown's death if Baltar does not act to clear Tyrol's name.
  • Outraged by Tyrol's plight, Cally shoots and kills Boomer (Resistance). Cally is imprisoned in the brig but, at Tyrol's request, Commander Adama gives her a lenient sentence of 30 days for "discharging a firearm without permission" (The Farm).
Various crew members throw a party for Cally's return to normal service.
  • Released from the brig, the deck crews give Cally a welcome back party. Chief Tyrol is still upset with her for killing Boomer, although Cally is grateful to the Chief for putting in a good word for her with Adama.
  • She aids Tyrol in the construction of the Blackbird. By the time they finish construction, Tyrol reconciles with her (Flight of the Phoenix).
  • Cally is disgusted when several drunken Pegasus crewmen brag about repeatedly raping the captured humanoid Cylon known as Gina, a reaction probably made stronger for her because Cally herself survived an attempted rape.
  • Cally pleads with Commander Adama to do something about the incident where Chief Tyrol and Helo are arrested by Pegasus command for the death of an officer that attempted to rape Caprica-Valerii.
  • After Commander Adama visits the hangar deck to confer with Laird on the status of the preparations for the planned attack, Adama takes Cally aside and questions her about Laird. Cally reveals Laird's origins that enforce Adama's increasing suspicions about Pegasus commander, Admiral Helena Cain.
  • Cally and Chief Tyrol later discover sabotaged Viper ammo by the Cylon-sympathizer Demand Peace movement (Epiphanies) as well as a storage crate with a stowaway inside (The Captain's Hand).
  • Cally wakes a sleeping Chief Tyrol up while he was in the midst of a suicidal nightmare. The delusional Tyrol gives Cally a savage beating, quickly pummeling her into a bloody mess and knocking her unconscious. After a moment, Tyrol comes to his senses, shocked by what he had just done, and takes Cally to sickbay, carrying her in his arms (Lay Down Your Burdens, Part I).
  • Cally's jaw is wired shut to heal, but she forgives Tyrol and says she always cared about him. Interestingly, her feelings for Tyrol were apparently known to Cavil prior to his exposure as a humanoid Cylon (Lay Down Your Burdens, Part I).

On New Caprica

Cally on New Caprica before becoming obviously pregnant (Unfinished Business).

A year later on New Caprica, Cally is married to Tyrol (taking his surname) and is pregnant with his child (Lay Down Your Burdens, Part II). Their son, Nicholas (named after her grandfather), is born and lives with the couple as of the 67th day of the New Caprica occupation by the Cylons (The Resistance, Episode 1). Knowing her husband's test of faith after discovering that Brother Cavil was a humanoid Cylon, Tyrol is pleased for plans of a dedication ceremony for her new son (The Resistance, Episode 4).

Following suicide attacks by the insurgency led in part by her husband, Cally Tyrol is picked up by members of the New Caprica Police in a night-time raid. Jammer, in his role with the NCP, discovers that she has been earmarked for execution, and asks Boomer to save her life. Boomer remarks that she does not know what she can do, as internal security is under the proviso of a different ministry. Cally angrily tells Boomer to "go away and leave us alone" if she can't help her (Precipice).

Jammer later cuts her bonds and allows her to escape from the detention group slated for execution in a remote location. Chief Tyrol, arriving with a resistance sniper team, pushes his running wife out of the resistance's line of fire as they destroy the Cylon Centurion firing squad. She and her son currently hide in the resistance's underground bunker (Exodus, Part I).

After New Caprica

Cally Tyrol and her family are evacuated along with most of the human population of New Caprica. She is next seen resting on a bunk with her son in a room overcrowded with refugees. Her husband visits her after he and the Circle secretly execute Jammer for having collaborated with the Cylons. Before his death, Jammer tells Galen Tyrol that he saved Cally on the planet. Tyrol inquires as to how she escaped the execution and if anyone helped her, and she replies that "one of these goons" set her free. She asks her husband how he knows about that, apparently unaware of his role in The Circle (Collaborators). Later she is working alongside Chief Tyrol on the hangar deck again. It is unknown specifically who babysits their son Nicholas when both parents are working (Torn), but formal daycare arrangements seems to have been established for families with dependent children (A Day In The Life) that the Tyrols use. She attends the ship-wide boxing match with her husband and son and watches from the sidelines as her husband fights and defeats Admiral Adama (Unfinished Business). She is recovering from decompression sickness injuries sustained in an explosive decompression incident while being rescued from a depressurizing airlock along with her husband (A Day In The Life).


Cally's relationship with her husband deteriorates as he becomes consumed with his discovery, unknown to her, that he is a Cylon. She grows angry at his constant absence, some of which is due to his meeting with fellow Cylons Foster, Tigh, and Anders. Moreover, she develops a sleeping disorder and becomes reliant on medication. Awakening one night to find him out of bed and out of their quarters, she finds him in Joe's bar with Foster and witnesses Foster making a pass at him. Cally confronts him in a rage, assuming that he is having an affair.

Later, she finds a note in their cabin with instructions for a time and place for a meeting. Thinking that it is a note from Foster, she goes to the place of the rendezvous, only to discover her husband, Tigh, and Foster going into a weapons locker together and closing the hatch. She opens a panel in the corridor and squeezes into a crawlspace where she can hear what her husband and the others are saying. To her horror, she discovers that her husband is a Cylon. She makes a noise, which the others hear. In her flight from the crawlspace, Cally leaves the wall panel ajar, which Foster discovers. When Galen returns to their cabin, she knocks him unconscious with a heavy wrench and then takes Nicky to the hangar deck, intending to commit murder-suicide by expelling him and herself out a Viper launch tube. Before she can do so, Foster shows up, convinces her to stop, and then offers to carry Nicky. As soon as Cally turns her son over, however, Foster knocks her down and takes Nicky into the control room, from which she expels Cally into space. The scene ends with a final shot of Cally's frozen, dead face drifting in space (The Ties That Bind).


  • Cally's full name was not known during the first 2 seasons of the series (even though she is a character that has appeared since the opening minutes of the Miniseries), and during this entire time was known simply as "Cally". It was unknown then whether "Cally" was her given name or her surname; many assumed it was her surname and referred to her as "Specialist Cally" (in "The Farm", Chief Tyrol referred to her as "Specialist Cally"). However, actress Nicki Clyne, who plays Cally, has said she always thought of it as her character's given name. Her full maiden name, "Cally Henderson", won't appear until Season 3, when labeled on props such as her locker, etc. She took on Chief Galen Tyrol's surname after marrying him according to the events shown at the end of season 2.
  • The Miniseries novelization (which is treated as a separate continuity source) gives her full name as "Jane Cally". However this was made up without the input of the BSG writing team, who later decided that Cally was actually her first name.
  • According to Ronald D. Moore's blog, Henderson's term of required service ended at the same time that Galactica was to be decomissioned. She was about to be honorably discharged and return to civilian life when the Cylons attacked, ending those plans.
  • In the DVD commentary for "Bastille Day", David Eick and Ron D. Moore elaborate on the increased role of Cally as the series progressed from the Miniseries through season 2:
Eick: Nicki Clyne, who you see here playing Cally, was somebody who in the Miniseries, I remember Michael (Rymer) and I cast just on the basis of her look, 'cause we thought she was really cute, she kind of reminded us of a young Shelley Duvall. [...] she turned out to be so good that we— in launching the series we started talking about ways to involve her and I'm very proud of a moment coming up where she does something rather nasty, that...
RDM: Well she almost died! She was gonna die in the intial drafts of this.
Eick: That's right! He kills her! He rapes and kills her! And they're telling us we're too dark this year.
RDM: Oh, I know. The second season is so much darker. And I don't think they even care. Yeah, Cally, Nicki, I hate to tell ya, but the bullseye was on Nicki here. And I can't even tell you why we decided it was, no I take that back I think it was your note; you said you wanted Cally to fight back and really show some balls in this scene. She bit his ear off...
Eick: I said, "She bites his frakking ear off" and I was totally know, just illustrative! I didn't really mean it!
RDM: And I wrote, "she bites his ear off"!
Eick: "And I got the draft, and she bites his ear off! I was like "that's great!"
RDM: And from that moment on, I think, she really became part of the show. In a real sense, once she had gone through that and survived, and you know Tyrol and the gang come in and see her in the hospital at the end you kind of felt like she is one of the family.
Eick: Yeah, and she's taken on, in season 2 actually, a much, much, much more prominent role. You have no idea how prominent a role.
RDM: Which is really illustrative of the rise and fall of characters. I mean Boxey we thought going in was just going to be part of the show, and we just never really got our feet underneath us in terms of his storyline and really how it fit into it, and Cally who's just this 'other mechanic' at the beginning, who's just hanging around with Tyrol becomes a key element and part of the fabric of the show itself.
  • In the DVD commentary for "Bastille Day", RDM revealed how he came up with names for deckhands Cally, Socinus, and Prosna: "They were all names I pulled out of an 'ancient names internet site'. I literally, I found something on the internet that would give me like 'ancient names', I went through it and found those names. It was like ancient Greek and Roman...somethings. They might be, for all I know they're names for utensils, or something like that..."
    • "Calli" is a word from ancient Greek, meaning "beautiful".
  • Henderson's ID tag is marked "P. Cally/ser 557067.

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