Noreen M. Corcoran (October 20, 1943 – January 15, 2016) was an American actress, singer and dancer. Her career began in 1951. She was best known for her co-starring role as the teenager Kelly Gregg in the television sitcom "". She also appeared in movies such as "Gidget Goes to Rome" and in "The Girls on the Beach". She retired in 1965.