Summer Glau was born in San Antonio Texas in 1981. As a child she spent her time dancing Ballet. She appeared in a few television shows and appeared on the TV series Angel as a ballerina. This led to her appearance in Firefly, Cold Case, Sleepover, CSI, The Unit and Tess Doerner. She also stars in the Sci-fi flick Mammoth. In 2007 she got the role of Cameron Phillips in the popular Terminator series.