Under the Red Sea

Under the Red Sea is the 1952 English-language version of a 1951 Austrian documentary film Abenteuer in Roten Meer about the attempts of Austrian marine biologist Hans Hass to record the sounds of marine animals in the Red Sea. It was co-produced by Thalia Productions and RKO Radio Pictures, which released the film on October 2, 1952. The film was narrated by Les Tremayne and starred Lotte Hass.