Kevin was born in Lynwood, California, on January 18, 1955, the third child of Bill Costner, a ditch digger and ultimately an electric line servicer for Southern California Edison, and Sharon Costner. His older brother, Dan, was born in 1950. A middle brother died at birth in 1953. His Dad's job required him to move regularly, which caused Kevin to feel like an Army kid, always the new kid at school, which led to him being a daydreamer...(imdb)