Statuesque Tricia Helfer parlayed her popularity as a print and runway model into an acting career in the early 2000s. After a string of roles on television and in independent features, she earned her big break as the lovely but duplicitous Cylon, Number Six (and its countless duplicates) on “Battlestar Galactica” (The Sci Fi Channel, 2004- ). She quickly became a popular pin-up for science fiction fans, and graced the covers and layouts of countless men’s magazines, including Playboy. Her increased profile eventually allowed her to explore other on-camera possibilities as well, including a