Glau was classically trained as a ballerina and also studied tango and flamenco. A professional dancer since age 12, she appeared in several television commercials.

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She is of Scots-Irish and German descent. Glau revealed in April 2007 that she is in a relationship with American actor Daniel Wisler.

Summer Glau (born July 24, 1981 in San Antonio, Texas) is an American dancer and actress, best known for her role as River Tam in the short-lived science fiction series Firefly and read more...