Loretta Swit is an American actress best known for her role as Major Margaret "Hot Lips" Houlihan on the television series M*A*S*H. Born on November 4, 1937, in Passaic, New Jersey, she gained fame for her portrayal of a strong, complex character during the show's run from 1972 to 1983. In addition to her television work, Swit has appeared in various films and stage productions. She is also an advocate for animal rights and has been involved in numerous charitable organizations, reflecting her commitment to social causes beyond her acting career.