Dr. Lisa Niles is fictional character from the original ABC Daytime soap opera, General Hospital. The character is first introduced on November 18, 2009 being portrayed by actress, Julie Mond. The role is recasts by Brianna Brown on January 6, 2010 after the producers the decide to take the character in another direction. On June 21, 2011, Brown's portrayal of Lisa is written into a coma. Brown reprises the role on September 21, 2011 until October 24, where the character is killed off.