Annette Charles, Cha Cha from "Grease," dies at 63

(CBS) -- A second "Grease" star has passed away.

Actress Annette Charles, who played Cha Cha DiGregorio and famously danced with John Travolta in the iconic film, died Wednesday in Los Angeles, according to reports. She was 63.

Charles had been battling cancer, her mother tells Access Hollywood, and died from complications related to the disease.

As Cha Cha, the self-declared"best dancer at St. Bernadette's," Charles played the girlfriend of the Scorpions gang leader and memorably stole the spotlight dancing with Travolta during the school dance competition scene.

Charles also appeared in "Magnum, P.I.", "Latino" and "The Incredible Hulk" TV series.  She later became a speech professor at California State University Northridge, in Northridge, Calif.

Her passing comes two months after the death of co-star Jeff Conaway, who played Kenickie in the film.

Conaway died inlate May after being hospitalized in a coma that stemmed from his struggle with drugs and alcohol. He was 60.