Kate Winslet

Young Iris Murdoch

Judi Dench

Iris Murdoch

Jim Broadbent

John Bayley

Hugh Bonneville

Young John Bayley

Penelope Wilton

Janet Stone

Samuel West

Young Maurice

Timothy West

Older Maurice

Kris Marshall

Dr. Gudgeon

Juliet Aubrey

Young Janet Stone

Derek Hutchinson

Postman

Juliet Howland

Emma Stone

Saira Todd

Phillida Stone

Stephen Marcus

Taxi Driver

Pauline McLynn

Maureen

Eleanor Bron

Principal

Angela Morant

Hostess

Siobhan Hayes

Check-Out Girl

Joan Bakewell

BBC Presenter

Nancy Carroll

BBC PA

Tom Mannion

Neurologist

Gabrielle Reidy

Tricia

Tony Blair

Self (archive footage) (uncredited)

David Blunkett

Self (archive footage) (uncredited)