This Cylon model may wield her drop-dead looks as a weapon, but she also shows true affection for others and is powerfully devoted to the Cylons' singular deity. Beyond that, her numerous physical bodies each possess varying personalities and roles. One, Caprica Six — whose seduction of Baltar enabled the Cylon destruction of the 12 Colonies — defected to the human fleet with the half-Cylon infant Hera and now languishes in a prison cell aboard the Galactica. Another version, Natalie, is a rising star in the Cylon leadership. Meanwhile, the mysterious manifestation of Six in Baltar's mind claims that God talks to her — and she, in turn, reveals the Word of God to Baltar.

Tricia Helfer's numerous television credits include a highly touted guest appearance on Supernatural; a memorable performance on the hit series CSI, as a model who tries to cut off her own face; and a pivotal role in the Fox pilot Them. Helfer can be seen on the big screen, starring opposite LeeLee Sobieski in the feature film Walk All Over Me, which was selected for the Toronto Film Festival. Her other film credits include the independent feature Mem(o)re, opposite Dennis Hopper and Ann-Margret. Helfer stars in that film as Stephanie Jacobs, a strikingly beautiful painter and love interest of Dr. Taylor Biggs (played by Billy Zane). She also played Leila Cole in The Green Chain, a mockumentary; Sasha in the indie film Spiral, with David Joel Moore; General Kilian Qatar, in the video game Command & Conquer 3: Tiberium Wars; and the lead role of Ally in the feature film The Genius Club. She also produced and hosted the premiere season of Canada's Next Top Model.

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