Arleen Sorkin, the veteran actor and screenwriter, was best known for portraying Calliope Jones on the NBC daytime serial “Days of Our Lives” from 1984-1990, and for serving as the real-life inspiration and voice for DC Comics villain Harley Quinn, co-created by her friend Paul Dini on “Batman: The Animated Series,” died August 24 in Los Angeles. She was 67.

Her writing included the television series “Tiny Toon Adventures,” and the screenplay “Picture Perfect,” starring Jennifer Aniston.

She also voiced Harley Quinn in videogames and, for the series “Frazier,” she was the voice of several callers to Frazier’s radio show.