The Lost Zeppelin is a 1929 talking adventure film directed by Edward Sloman and produced and distributed by Tiffany-Stahl. It stars Conway Tearle, Virginia Valli and Ricardo Cortez. Tearle plays a navy officer modeled on U. S. Navy Commander Richard Evelyn Byrd who was then a national aviation hero. Byrd made his own genuine Antarctic adventure With Byrd at the South Pole during his South Pole Expedition 1928-29.