Mark Antrim Short (July 11, 1900 – November 24, 1972) was an American stage and film actor, casting director and talent agent.
Short was born on July 11, 1900, in Cincinnati, Ohio.
Short first acted in films when he was 6 years old. As a juvenile he enjoyed some success on the Broadway stage, notably appearing as a boy with Mrs. Fiske and Holbrook Blinn in Salvation Nell (1908) by Edward Sheldon. While in his teens he appeared in silent films playing the kind of roles that were made popular by Jack Pickford. He returned to Broadway in Carnival (1929).
Short was born to two actors, Lew and Estella Short, and his sister was silent actresses Gertrude Short. They were cousins of Blanche Sweet. Short was married to Frances Morris, who is best remembered by TV fans as George Reeves's Earth mother Sarah Kent in The Adventures of Superman.
Short became an agent for other actors in 1947.
Short died at the Motion Picture and Television Country Hospital, Calabasas, in Los Angeles on November 24, 1972, aged 72.