The Secret Land
1948
Orville Oscar Dull (April 25, 1888 – December 29, 1978) was an American producer, director, production manager and assistant director, variously credited as Orville Dull, Orville O. Dull, O.O. Dull, or Bunny Dull. Dull began his career as a silent film director in the 1920. He initially used the nickname Bunny Dull for his very earliest films; thereafter, he began using either O.O. Dull or Orville Dull. Wikipedia