Sanditon alum Theo James and Sherlock actress Lara Pulver will lead the voice cast of The Witcher animated prequel, Nightmare of the Wolf, Netflix announced Wednesday.

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The show is set to debut on Aug. 23.

"The world of The Witcher expands in this anime origin story: Before Geralt, there was his mentor Vesemir -- a swashbuckling young witcher who escaped a life of poverty to slay monsters for coin," said a synopsis from the streaming service.

"But when a strange new monster begins terrorizing a politically fraught kingdom, Vesemir finds himself on a frightening adventure that forces him to confront the demons of his past."

Season 2 of The Witcher -- starring Henry Cavill -- is set to premiere on Dec. 17.

Netflix recently announced Michelle Yeoh would star in a spinoff of the franchise.