Summer Lyn Glau is an American actress best known for her roles in science fiction and fantasy television series; as River Tam in Firefly and its continuation film Serenity, 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).

• Born: 24 July 1981 (age 36 years), San Antonio, Texas, United States
• Height: 1.66 m
• Nationality: American
• Spouse: Val Morrison
• Children: Milena Jo Morrison

Summer Glau