Helena Bonham Carter

Character: Enid Blyton

Matthew Macfadyen

Character: Hugh Pollock

Denis Lawson

Character: Kenneth Waters

Claire Rushbrook

Character: Dorothy Richards

Joseph Millson

Character: Hanly Blyton

Ramona Marquez

Character: Imogen

Lisa Diveney

Character: Enid (aged 19)

Pooky Quesnel

Character: Theresa Blyton

Eileen O'Higgins

Character: Maid Maggie

Douglas Reith

Character: BBC Interviewer

Nicholas Lumley

Character: Dr. Beresford

Sinead Michael

Character: Gillian

Philip Wright

Character: Thomas Blyton

Alexandra Brain

Character: Enid (aged 12)

Samuel Hilton

Character: Hanly Blyton (aged 8)

James Warner

Character: Carey Blyton (aged 4)

Gabrielle Reidy

Character: Mrs Waters

Nicholas Lumley

Character: Dr Beresford

Claire Carrie

Character: Betty

Travis Oliver

Character: Army Officer

Toby Manley

Character: Librarian

Harry Taylor

Character: Chauffeur

Sion Davies

Character: Child at Party

Isabella Blake-Thomas

Character: Child at Party