Writing Robert Ardrey Other Credits Up From The Ape Story 1975 Khartoum Writer 1966 The Four Horsemen of the Apocalypse Screenplay 1962 The Wonderful Country Screenplay 1959 The Power and the Prize Screenplay 1956 Quentin Durward Screenplay 1955 Madame Bovary Screenplay 1949 The Secret Garden Screenplay 1949 The Three Musketeers Screenplay 1948 Song of Love Writer 1947 The Green Years Screenplay 1946 A Lady Takes a Chance Screenplay 1943 Thunder Rock Theatre Play 1942 They Knew What They Wanted Screenplay 1940 The Cowboy and the Lady Additional Writing 1938 Agent-readable