Cynthia Cidre (born September 10, 1957) is an American screenwriter and producer. She is best known as a showrunner and executive producer of TNT prime time soap opera, Dallas (2012–14). Cidre was the creator and an executive producer for the CBS prime time soap opera Cane in 2007 and wrote the scripts for the films, In Country (1989), A Killing in a Small Town (1990) and The Mambo Kings (1992). In 2015, she joined as co-showrunner another prime time soap opera, Blood & Oil on ABC.