Marcia Ralston (19 September 1906 – 23 November 1988) was 'n Australiese aktrise. Sy was bekend vir haar rolle in die rolprente Sh! The Octopus (1937), Call It a Day (1937), Paris Calling (1941), en The Kid from Kansas (1941). 1937: Sh! The Octopus 1937: Call It a Day 1938: Crime Takes a Holiday 1941: Paris Calling 1941: The Kid from Kansas 1969: Marcus Welby, M.D. Marcia Ralston in die Internet-rolprentdatabasis