HomePeople Biography and filmographyMary Martlew Biography unavailable on TMDB. Movies (5)TV shows (0) Movies (5) Marcus Welby, M.D.: A Holiday Affair1988 · Ruth Wilson The Forbidden Street1949 · Milly Lauderdale Anna Karenina1948 · Princess Nathalia The Laughing Lady1946 · Lady Langley Quiet Weekend1946 · Elena TV shows (0) No credits available.