***Castaways on deserted island Italian creature feature*** Survivors of an ill-fated French vessel (Claudio Cassinelli, et al.) end up on a nameless Caribbean isle run by a self-appointed despot (Richard Johnson) who supports the dubious experiments of a sickly professor (Joseph Cotton). Barbara Bach is on hand as the latter’s daughter. “Screamers” (1981) is the recut American version of the Italian “Island of the Fishmen” (1979), which adds an unnecessary and irrelevant 12-minute prologue to beef up the horror, as well other negligible changes. People usually say “Screamers” is the sup...