Julie Beth Hagerty (born June 15, 1955) is an American actress. She starred as Elaine in the films Airplane! (1980) and Airplane II: The Sequel (1982). Her other film roles include A Midsummer Night's Sex Comedy (1982), Lost in America (1985), What About Bob? (1991), A Master Builder (2014), Instant Family (2018), and Marriage Story (2019).

Early life and education
Hagerty was born in Cincinnati, Ohio, the daughter of Harriet Yuellig (née Bishop), a model and singer, and Jerald William "Jerry" Hagerty, Jr., a musician. Her brother Michael Hagerty (1952–1991) was also an actor. Her parents later divorced. Hagerty attended Indian Hill High School. She was signed as a model for Ford Models at 15, and spent summers modeling in New York City. She moved there in 1972 and worked at her brother's theater group; she also studied with actor William Hickey.