Domhnall Gleeson character A. A. Milne
Margot Robbie character Daphne Milne
Kelly Macdonald character Olive
Will Tilston character Christopher Robin Milne
Alex Lawther character Older Christopher Robin Milne
Nico Mirallegro character Cooper
Stephen Campbell Moore character Ernest
Phoebe Waller-Bridge character Mary Brown
Geraldine Somerville character Lady O
Richard McCabe character Rupert
Shaun Dingwall character Alfred
Vicki Pepperdine character Betty
Simon Williams character Zoo Director
Bentley Kalu character American Cop
Mossie Smith character Sharon the Midwife
Stanley Hamblin character Christopher Robin Aged 6 Months
Dexter Hyman character Christopher Robin Aged 3 Years
Sonny Hyman character Christopher Robin Aged 3 Years
Sam Barnes character The Times Photographer
Allegra Marland character Fan 1
Mark Tandy character Portrait Photographer
Richard Dixon character MC at Pageant
Ann Thwaite character Pageant Dignitary
Louise Harrison character Parade Child
Nicholas Richardson character Newspaper Man
Kevin Millington character American Chap
Rolan Bell character American Cop
Mark McKerracher character Groupie 1
Amber Batty character Groupie 2
Grace Curtis character McGovern Sister
Matilda Curtis character McGovern Sister
Lance C. Fuller character Groupie 3
Simon Connolly character Radio Host
Richard Clifford character Toy Shop Manager
Cameron Lane character Kid 1
Phoebe Lyons character Kid 2
Harper Gray character Kid 3
Nick Blakeley character Zoo Photographer
Victoria Bavister character Mother at Zoo
Robert Portal character Headmaster
Tommy Rodger character Douglas Minor
Vincent Finch character Big Boy
Jim Cartwright character Military Medic
Beatrice Stein character Dancer
Sarah Jayne Butler character Winning Mum
