Summer Glau

Summer Lyn Glau (; born July 24, 1981) is an American actress best known for her roles in science fiction and fantasy television series; as River Tam in Firefly (2002) and its continuation film Serenity (2005), as Tess Doerner in The 4400 (2005–2007), as Cameron / Allison Young in Terminator: The Sarah Connor Chronicles (2008–2009), as Bennett Halverson in Dollhouse (2009–2010), as Skylar Adams in Alphas (2011–2012) and as Isabel Rochev / Ravager in Arrow (2013–2014). 2Early life Glau was born in San Antonio, Texas, where she grew up with her two younger sisters Kaitlin and Christie. She is of Scots-Irish and German ancestry. Her mother is a school teacher and her father a general contractor. Glau received a scholarship to a ballet company and was home-schooled from grades 3 to 12 to accommodate her ballet training. Glau was classically trained as a ballet dancer and studied tango and flamenco. After a broken toe ended her dancing career, Glau moved to Los Angeles in 2002 to pursue an acting career. 2Career Glau's first television credit was a guest role as a ballerina on the 2002 episode "Waiting in the Wings" of the television series Angel. There she caught the eye of director Joss Whedon, who later cast her in his critically acclaimed but short-lived TV series Firefly as River Tam, a role she reprised for the show's feature film sequel, Serenity. Glau previously auditioned for the role of a Power Ranger in Power Rangers Wild Force before meeting Whedo