Writing William Lord Wright Other Credits The Indians Are Coming Screenplay 1930 Tarzan the Tiger Supervising Producer 1929 The Harvest of Hate Story 1929 Hoofbeats of Vengeance Story 1929 The Vanishing Rider Story 1928 Blake of Scotland Yard Writer 1927 The Ace of Spades Story 1925 Perils of the Wild Writer 1925 The Great Circus Mystery Story 1925 Agent-readable