Dawn Catherine Menzer, known professionally as Lori Martin, was an American actress. A child actress for most of her career, she first achieved recognition as the title character of the NBC drama series National Velvet (1960–1962). Her most prominent film role was in the 1962 thriller Cape Fear, where she portrayed Gregory Peck's daughter.

National Velvet is an American drama series that originally aired from 1960 to 1962 on NBC. Based on the 1935 novel and 1944 film of the same name, the series ran for a total of fifty-eight episodes.