Gregory Ratoff
Gregory Ratoff (1897–1960) was a Russian-American actor and director who worked at the major Hollywood studios from the 1930s through the 1950s. He directed musicals, melodramas, and adaptations of European stage material. His acclaimed films include Intermezzo: A Love Story, Adam Had Four Sons, The Corsican Brothers, Black Magic, and All About Eve (uncredited contributions; he is best known as an actor in this film).