Netflix'sThe Witcher: Sirens of the Deepadapts the short story written by Andrzej Sapkowski, A Little Sacrifice, in which viewers can witness some similarities to Disney's The Little Mermaid. However, even though one of its biggest draws for The Witcher fans was hearing Doug Cockle's gravelly and iconic Geralt voice back in action again, the animated movie seems to have sunk to the ocean floor with some of its audience.