The live-action film is about novelist Kenneth Grahame, who wrote "Wind in the Willows", and also features actor Toby Keball, reported Variety.
The story follows Grahame, his wife Elsie and their son Alistair, a tragic young man born blind in one eye who would suffer horrible health problems throughout his brief life.
The "Game of Thrones" actor will play the role of Elsie Grahame with Keball playing the role of Kenneth Grahame.
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