It has been announced today that Domhnall Gleeson will be portraying Winnie the Pooh author A.A. Milne in a biopic also starring Margot Robbie. Goodbye Christopher Robin will follow the life of Milne, his son Robin and wife Daphne, played by Margot. Deadline has shared the following information about the film:

[…] charts the relationship between Milne and his son, which led to the creation of everyone’s favourite honey-loving bear Winnie the Pooh. Pooh was named after Milne’s son Robin’s teddy bear. Robin, who initially had a difficult relationship with his father, also served as the inspiration for the character Christopher Robin. The real Robin’s toys also lent their names to other Winnie the Pooh characters such as Tigger, Eyeore and Piglet.