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Tricia Helfer as Number Six on ‘Battlestar Galactica’

Here's Tricia Helfer in a promotional shot from season 3 of her series Battlestar Galactica, which aired on the Sci Fi Channel for four seasons between 2004 and 2009. (This shot was released in 2006.) Tricia Helfer played an alluring Cylon-human blend called Number Six.

See our biography of Tricia Helfer