Summer Glau
Glau's debut television role was as a guest ballerina in a 2002 episode of the show Angel. Director Joss Whedon spotted her and subsequently cast her as River Tam on his short-lived TV series Firefly. She also played in the role for the sequel Serenity. Glau has previously attempted to audition for the part of the role of a Power Ranger (White Wild Force Ranger Alyssaenrile) in Power Rangers Wild Force but lost to the actress Jessica Rey before meeting Whedon.Glau was in the episode "Love Conquers Al" from the TV series Cold Case. The actress had a small role in the movie Sleepover in which she played the high school senior Shelly. She also appeared on the CSI: Crime Scene Investigation episode, "What's Eating Gilbert Grissom?" " in season two of The Unit as Crystal Burns (the girlfriend of Jeremy Erhart). In 2006, Glau played Tess Doerner, a paranoid schizophrenic returnee in season two's premiere of The 4400, and became the main character in seas