Marguerite "Maggie" McNamara (Nova York, 18 de juny de 1928 − Nova York, 18 de febrer de 1978) va ser una actriu estatunidenca. Després del seu últim paper a la pantalla el 1964, McNamara va restar fora de la vista del públic i va passar els seus últims anys treballant com a mecanògrafa a Nova York. El febrer de 1978, va ser trobada morta després d'una sobredosi voluntària de somnífers.

Marguerite McNamara (June 18, 1928 – February 18, 1978) was an American stage, film, and television actress and model from the United States. McNamara began her career as a teenage fashion model. She first came to public attention as Patty O'Neill in the 1951 national tour of F. Hugh Herbert's The Moon Is Blue which ran concurrently with the original Broadway production. In 1952 she succeeded Barbara Bel Geddes in that role in the Broadway production. Both productions were directed by Otto Preminger, and Preminger also directed McNamara in that role in the controversial 1953 film adaptation of that work. She earned an Academy Award nomination for Best Actress for her role in the film.

From Wikipedia.