The Witcher season 2 cast adds seven more: Adjoa Andoh as Nenneke, Cassie Clare as Philippa Eilhart, Liz Carr as Fenn, Graham McTavish as Sigismund Dijkstra, Kevin Doyle as Ba’lian, Simon Callow as Codringher, and Chris Fulton as Rience. The Witcher season 2 release date to be in 2021.