Ewan McGregor
Christopher Robin
Hayley Atwell
Evelyn Robin
Bronte Carmichael
Madeline Robin
Jim Cummings
Winnie the Pooh / Tigger (voice)
Brad Garrett
Eeyore (voice)
Nick Mohammed
Piglet (voice)
Toby Jones
Owl (voice)
Peter Capaldi
Rabbit (voice)
Sophie Okonedo
Kanga (voice)
Sara Sheen
Roo (voice)
Mark Gatiss
Giles Winslow
Oliver Ford Davies
Old Man Winslow
Ronkẹ Adékoluẹjo
Katherine Dane
Adrian Scarborough
Hal Gallsworthy
Roger Ashton-Griffiths
Ralph Butterworth
Ken Nwosu
Paul Hastings
Amanda Lawrence
Joan MacMillan
John Dagleish
Matthew Leadbetter
Katy Carmichael
Christopher Robin's Mother
Tristan Sturrock
Christopher Robin's Father
Paul Chahidi
Cecil Hungerford
Matt Gavan
Snooty Businessman
Gareth Mason
Balloon Vendor
Amrou Al-Kadhi
Nemir Azizi
Rainy Milo
Boy's Mother
Michael Jenn
London Train Conductor
Souad Faress
Wealthy Woman
Alan Clark
Sussex Train Attendant
Harriet Leitch
Tea Server
Vera Chok
Margaret King (Train Passenger #1)
Matt Berry
Policeman Bobby
Simon Farnaby
Taxi Driver
Mackenzie Crook
Newspaper Seller
Vivien Bridson
Old Man Winslow's Secretary
Narinder Samra
Milkman
Clara McGregor
Girl in Aircraft Design Office
Raj Ghatak
Neel Chawla (Barrel Mover)
Gintare Beinoraviciute
Passerby (uncredited)
Roy Beck
Winslow Board Director (uncredited)
Shola Adewusi
Rosemary Hopwood (uncredited)
Tim Ingall
Jimmy Knowait (uncredited)
Orton O'Brien
Young Christopher Robin
Jasmine-Simone Charles
Little Girl
Summer Brooks
Balloon Holder
Zain Falzon
Boy in Stroller
Chris Pratt
Sussex Train Porter
Claire Redcliffe
Boarding School Teacher
Elsa Minell Solak
Madeline 3 Years Old
Matthew Earley
Truck Driver
Oliver Payne
Milk Delivery Boy
David Hartley
Man on Bus
Abbey Denne
Girlfriend (uncredited)