From Wikipedia, the free encyclopedia. Melody Anderson (born December 3, 1955) is a Canadian American social worker and public speaker specializing in the impact of addiction on families. She is also known as an actress, with her most high-profile role being Dale Arden in the 1980 adaptation of Flash Gordon. Born in Edmonton, Alberta, Anderson started off as a performer and entertainer. She made her debut at age five on a radio show. While doing singing, she also trained as an actress, leading ...