Writing Ralph Gilbert Bettison Other Credits 1984 Screenplay 1956 Mask of the Avenger Adaptation 1951 Rogues of Sherwood Forest Story 1950 South of the Rio Grande Writer 1945 Headline Adaptation 1943 Phantom of Chinatown Story 1940 Doomed to Die Story 1940 Traitor Spy Screenplay 1939 Rose of the Rio Grande Screenplay 1938 Night Ride Scenario Writer 1937 O.H.M.S. Screenplay 1937 Down River Writer 1931 The Great Game Writer 1930 Greek Street Writer 1930 The Night Porter Scenario Writer 1930 Agent-readable