. "Under the Red Sea"@en . . "4020.0"^^ . . "Under the Red Sea is a 1952 American documentary film 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."@en . . .