Career
She followed this with Pygmalion and a series of B-movies, including All Hands, Meet Maxwell Archer, and The Saint"s Vacation. MacGrath made her Broadway debut in 1948 in the play Edward, My Son. She reprised her role in the film adaptation the following year.
In 1951 she collaborated with Kaufman and Heywood Hale Broun on the writing of The Small Hours, which closed after 20 performances.
She returned to acting for Tiger at the Gates and The Potting Shed. MacGrath returned to the United Kingdom following her divorce.
She died of complications from a stroke in London at the age of 77.