Summer Glau was considered the Farrah Fawcett of the sci-fi world; a poster girl for die-hard fans of graphic novels, superheroes, and cyborgs. Playing erratic and troubled child prodigy River Tam in both the cult televison series “Firefly” (2002-03), about a renegade spaceship crew, as well as its big screen sequel, “Serenity” (2005) became the actress’ breakout role. In 2008, Glau took sci-fi leading lady to the next level, as female Terminator Cameron Phillips/Allison Young on the FOX series, “Terminator: The Sarah Connor Chronicles” (2008-09). Arnold Schwarzenegger and Christian Bale may