Pedzisa mutsara unotevera: Orville O. Dull (April 25, 1888 <unk> December 29, 1978) aiva American mugadziri, mutungamiriri, kugadzirwa maneja uye mubatsiri mutungamiriri. Akanga achinyanyozivikanwa nokuda kwamafirimu ake akagadzirwa nokuda kweMetro-Goldwyn-Mayer. Dull akasarudzwa mukati me
6th Academy Awards nokuda kwechikamu chenguva pfupi cheMutevedzeri Mukuru Mukuru. Akakunda Oscar nokuda kweBest Documentary Feature mu1948 Oscars nokuda kwefirimu rinonzi "The Secret Land". Akashanda pamafirimu anopfuura 40 kubva muna 1925 kusvika muna 1951.