Arleen Sorkin (born October 14, 1955) is a retired American actress, screenwriter, presenter and comedian. Sorkin is known for portraying Calliope Jones on the NBC daytime serial Days of Our Lives and for inspiring and voicing the DC Comics villain Harley Quinn, created by her college friend Paul Dini, in Batman: The Animated Series and the many animated series and video games that followed it. From Wikipedia
