Scott Chambers
Christopher Robin
Ryan Oliva
Winnie-the-Pooh
Lewis Santer
Tigger
Marcus Massey
Owl
Eddy MacKenzie
Piglet
Tallulah Evans
Lexy
Simon Callow
Cavendish
Teresa Banham
Samantha
Alec Newman
Alan Robin
Nicola Wright
Daphne Robin
Thea Evans
Bunny Robin
Mason Stanley Gold
Young Christopher Robin (as Mason Gold)
Peter DeSouza-Feighoney
Young Winnie-the-Pooh
Soma Zimmatore
Young Lexy
Flynn Matthews
Finn
Holden M N Smith
Child 1
Ivy Elizabeth Orlebar
Child 3
Toby Wynn-Davies
Dr. Gallup (voice)
Tade Adebajo
Ava
Philip Philmar
Officer Gilbraith
Amira Nicole Thomas
Young Ava
Nichaela Farrell
Cara
Chrissie Wunna
Nurse
Ash Tandon
Doctor Collins
Kalixta Kairos Fosang-Olarinmoye
Young Cara
Phoenix James
Young Finn
Thanael Weeks
Shepard
Sam Barrett
Aaron
Lila Lasso
Jamie
William Dallaway
Young Aaron
Andrew Rolfe
Jacob
Lucas Allermann
Luke
Sam McCarthy
Drunken Man
Junior Wunna
Child Injected
Cris Parker
Cris Parker (3CFilms cameo)
Jenny Miller
Jade 'Raver'
Louisa Warren
Connie Raver
Jenna N. Wilson
Raver
Becca Hirani
Faith Raver
Natasha Tosini
Spiderweb girl Raver
Stephen Staley
Ste Raver
Danielle Scott
Raver
Alyssa Haymor
Raver
Alina Desmond
Aria Raver
Connor Powles
Bro Raver
Charlotte Coleman
ER Attendant