Martha Ruth Stewart Shelley, better known as Martha Stewart, was an American actress. She was noted for playing Mildred Atkinson in In a Lonely Place (1950) alongside Humphrey Bogart.

In a Lonely Place is a 1950 American film noir directed by Nicholas Ray and starring Humphrey Bogart and Gloria Grahame, produced for Bogart's Santana Productions. The script was written by Andrew P. Solt from Edmund H. North's adaptation of Dorothy B. Hughes' 1947 novel of the same name.