Mary Loos Mary Loos Mary Loos (May 6, 1910 – October 11, 2004) was an American actress, screenwriter and novelist. She was occasionally credited under her full name, Mary Anita Loos. Born in San Diego, she was the daughter of Dr. Clifford Loos, co-founder of the Ross-Loos Medical Clinic and the Ross-Loos Medical Group, the first Health maintenance organization (HMO) in the United States. She was the niece of screenwriter Anita Loos. She was both co-creator and one of the writers for "Yancy Derringer" (1958-1959), an American Western TV series. Mary Loos died in Monterey, California, aged 94, due to complications following
Gentlemen Prefer Blondes (1953 film) Theatre, a spectacle that got a lot of publicity for both actresses and for the film. Loos wrote a sequel to her novel entitled "But Gentlemen Marry Brunettes", with further adventures of Lorelei and Dorothy. The 1955 "Gentlemen Marry Brunettes" musical film used only the book's name and starred Russell and Jeanne Crain playing completely new characters. Gentlemen Prefer Blondes (1953 film) Gentlemen Prefer Blondes is a 1953 American musical comedy film based on the 1949 stage musical of the same name. It was directed by Howard Hawks and stars Jane Russell and Marilyn Monroe, with Charles Coburn, Elliott Reid,