Mamo Clark worked in a variety of genres and built up a diverse and reputable career. For her first credit, Clark had a role in the Charles Laughton adaptation "Mutiny on the Bounty" (1935). Film became Clark's next endeavor, appearing in "Robinson Crusoe of Clipper Island" (1936) and "Wallaby Jim of the Islands" (1937). Toward the end of her career, Clark acted in the adventure "One Million B.C." (1940) with Victor Mature.