Nancy Kelly (March 25, 1921 – January 2, 1995) was an American actress. A child actress and model, she was a repertory cast member of CBS Radio's The March of Time and appeared in several films in the late 1920s. She became a leading lady upon returning to the screen in the late 1930s, while still in her teens, and made two dozen movies between 1938 and 1946, including portraying Tyrone Power's love interest in the classic Jesse James (1939), and playing opposite Spencer Tracy in Stanley and Livingstone later that same year.