Katheryn Winnick has reportedly joined the cast of Sony's upcoming film adaptation of The Dark Tower

Katheryn Winnick as Lagertha in Vikings

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While the studio has yet to comment on Winnick's involvement, sources have told Variety the star of History Channel's hit TV series Vikings will star alongside Idris Elba, Matthew McConaughey and Tom Taylor.The film will be based on Stephen King's popular The Dark Tower book series and tells the story of Roland Deschain (Elba) and his journey with Jake Chambers (Taylor) in the fallen land of Mid-World. While there's currently no word on who Winnick will play, it was revealed last month that McConaughey will star as Walter Padick The Dark Tower is being directed by Nikolaj Arcel and opens in theaters on February 17, 2017.

Alex Osborn is a freelance writer for IGN. You can follow him on Twitter