Under The Red Sea. Red Sea adventures Leo Rohrer; Dr. Hans Hass; his secretary, Lottie Berl and Jerry Weidler, on board their headquarters ship, "El Chaora." Their exploits beneath the sea will be seen in Sol Lesser's exciting new adventure film, "Under The Red Sea," for RKO Radio distribution. The diving party which carried out extensive researches under the Red Sea - Leo Rohrer, Dr. Hass, Mrs. Hass, Jerry Weidler - abroad the mother ship. February 25, 1953.