Mary Merrall (5 Januarie 1890 – 31 Augustus 1973) was 'n Engelse aktrise. Sy was bekend vir haar rolle in die rolprente Dr. O'Dowd (1940), Dead of Night (1945), The Life and Adventures of Nicholas Nickleby (1947), en Badger's Green (1949). 1916: Fatal Fingers 1920: Squandered Lives 1940: Dr. O'Dowd 1941: Love on the Dole 1945: Dead of Night 1945: Pink String and Sealing Wax 1947: The Life and Adventures of Nicholas Nickleby 1948: The Three Weird Sisters 1949: Badger's Green 1954: The Green Buddha 1966: Who Killed the Cat? 1960: Death of a Ghost 1964: Beware of the Dog 1938: Goodness, How Sad! 1939: Lonesome Like 1939: Suspect 1947: Henry IV 1948: Pygmalion 1948: An Inspector Calls 1948: The Circle 1951: A Tomb with a View 1951: Goodness, How Sad! 1952: The Infinite Shoeblack 1953: Count Your Blessings 1954: It's Never Too Late 1957: The Dragon and the Dove Mary Merrall in die Internet-rolprentdatabasis