Andrew Garfield

Robin Cavendish

Claire Foy

Diana Cavendish

Hugh Bonneville

Teddy Hall

Tom Hollander

Bloggs Blacker / David Blacker

Miranda Raison

Mary Dawney

Dean-Charles Chapman

Jonathan

Diana Rigg

Lady Neville

Ed Speleers

Colin Campbell

Emily Bevan

Nurse Margaret

Ben Lloyd-Hughes

Dr. Don McQueen

Roger Ashton-Griffiths

Hospital Chaplain

Camilla Rutherford

Katherine Robertson

Penny Downie

Tid

Amit Shah

Dr. James Khan

David Wilmot

Paddy

Patrick Godfrey

Mr. Tolland

Steven O'Donnell

Harry Tennyson

Lorraine Ashbourne

First Woman

Rosie Cavaliero

Second Woman

Stephen Mangan

Dr. Clement Aitken

Kiera Bell

Ballroom Dancer (uncredited)

Honey Holmes

Robin's Bedside Guest (uncredited)

Ty Hurley

Ambulance Man (uncredited)

Harry Attwell

Mechanic