Summer Glau

 Glau's first TV credit was as a guest-star in the 2002 episode of Angel. Director Joss Whedon saw her and decided to cast her as River Tam on his short-lived TV series Firefly. Glau also appeared in the role of the sequel Serenity. Glau was previously considered for the Power Ranger role (White Wild Force Ranger Alyssa Erile, White Wild Force Ranger) in Power Rangers Wild Force. She was ultimately defeated by Jessica Rey before meeting Whedon. She played Shelly who was a high school senior in Sleepover. She was also in the "What's Gilbert Grissom Eating?" episode of CSI: Crime Scene Investigation. " in season two of The Unit as Crystal Burns (the lover of Jeremy Erhart). Glau was the paranoid schizophrenia recurrence Tess Doerner in season 2 of The 4400. She became a regular character during season 3 and beyond. Mammoth was her role in the horror comedy. Glau played the role of The Initiation of Sarah, an ABC Family TV film. Glau played Cameron Phillips who was a Terminator-infiltrating unit that was which was returned to Skynet in order to safeguard John Connor (and Sarah Connor). The 7th episode of the show, "The Demon Hand" included a number of scenes that featured Glau in character as Cameron, dances ballet. In the second season's episode "Allison From Palmdale" (season 2), Glau played Allison Young her human doppelganger. Glau has also appeared as a guest in an episode of The Big Bang Theory, the CBS situation comedy.