The behind the scenes story of the life of A.A. Milne and the creation of the Winnie the Pooh stories inspired by his son Christopher Robin.
Domhnall Gleeson
as A. A. Milne
Will Tilston
as Christopher Robin Milne
Alex Lawther
as Older Christopher Robin Milne
Margot Robbie
as Daphne Milne
Kelly Macdonald
as Olive
Nico Mirallegro
as Cooper
Stephen Campbell Moore
as Ernest
Phoebe Waller-Bridge
as Mary Brown
Geraldine Somerville
as Lady O
Richard McCabe
as Rupert
Shaun Dingwall
as Alfred
Vicki Pepperdine
as Betty
