Isle of Forgotten Sins is a 1943 english-language Action Adventure film. The owner of a dy dive and brothel on a South Seas island meets two treasure hunters looking for a sunken ship with a $3-million cargo of gold. She persuades them to let her in on the deal. Complications ensue because of intrigue, double-crosses and an approaching violent monsoon. Written by frankfob2@yahoo.com. Isle of forgotten sins features John Carradine, Gale Sondergaard, Sidney Toler, Frank Fenton, Veda Ann Borg, Rita Quigley and C. Montague Shaw. It was released on 15th August 1943.