Summer Lyn Glau HD Wallpapers Freeborn July 24 1981 is an American actress best known for playing River Tam in the space western series Firefly and its film sequel Serenity, Cameron in the science fiction series Terminator: The Sarah Connor Chronicles, Tess Doerner in The 4400, and Isabel Rochev on The CW series Arrow 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 Whedon Glau appeared on the episode "Love Conquers Al" of the TV series Cold Case. She had a small role in the film Summer Glau Wallpapers more.