The Greatest Thing in Life is a 1918 American silent drama film about World War I, directed by D. W. Griffith and starring Lillian Gish, Robert Harron, and David Butler. The film is now considered lost as no prints are known to exist.

Carol Dempster was an American film actress of the silent film era. She appeared in films from 1916 to 1926, working with D. W. Griffith extensively.