Yvonne Craig, who played Batgirl on the ABC 1960s series of "Batman" died Monday. She was 78.

The actress passed away at her home in Pacific Palisades, California, according to her official website. Craig had been battling breast cancer that had metastasized to her liver.

She was known for her role of Batgirl and her alter ego, librarian Barbara Gordon, in the cult series starring Adam West as Batman and Burt Ward as Robin.

Craig, who was born in Illinois but grew up in Columbus, Ohio, also starred opposite Elvis Presley in "It Happened at the World’s Fair" and "Kissin’ Cousins."

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She played Marta, the green Orion Slave Girl who wanted to kill Captain Kirk, from the third season of "Star Trek," in the episode "Whom Gods Destroy."

Other TV and film credits include "The Gene Krupa Story," "7 Women From Hell," "Ski Party," "The Man From U.N.C.L.E.," "Fantasy Island," "The Six Million Dollar Man" and "Mod Squad."

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Most recently, she appeared on Nickelodeon’s "Olivia" animated series, voicing the grandmother.

Craig is survived by her husband, Kenneth Aldrich, her sister Meridel Carson and nephews Christopher and Todd Carson.

A private service is being planned with no date set at the present time.