Lydia Reed (born 1944 or 1945)^[1] is an American former child actress who was known primarily for roles in 1950s films like The Vampire and High Society; she also appeared as Hassie in several seasons of the TV series The Real McCoys.

Born at Mitchel Field, New York, also known as Mitchel Air Force Base, Reed began a career as an actress as a child after attending the Professional Children's School. She appeared in Broadway productions before acquiring roles in film and television.^[2][3] Her Broadway debut came in Mrs. McThing with Helen Hayes.^[4] She gave up acting as a teenager.^{[citation needed]}

Reed's education included three hours of schooling on the Desilu set. That ended at 12:30, after which she took afternoon classes at a private school in Hollywood. She also took classes two nights a week. She sought anonymity among students at the school by wearing her hair differently from what she did on TV and by adopting Tracy as her first name.^[4]

Reed was one of three actresses who portrayed Kim Emerson on the television version of the soap opera Valiant Lady.^[5]

• Main Street to Broadway (1953)
• The Seven Little Foys (1955)
• Good Morning, Miss Dove (1955)
• High Society (1956)
• The Vampire (1957)
• The Real McCoys (1957–1963) (TV series)