Romola Garai as Anne Keyes

Bill Nighy as Alexander Keyes

Julie Christie as Aunt Elizabeth

Eddie Redmayne as Ralph Keyes

Juno Temple as Celia Keyes

David Tennant as Hector

Charlie Cox as Lawrence

Jeremy Northam as Joseph Balcombe

Christopher Lee as Older Walter Page

Corin Redgrave as Oliver Page

Hugh Bonneville as Gilbert

Jenny Agutter as Maud

Sam Kubrick-Finney as young Walter Page

Toby Regbo as Michael Walton

Muriel Pavlow as old Anne Keyes

Tom Goodman-Hill as Director

Richard Cordery as Vet

Ryan Kiggell as Soldier Guarding Door

Anthony Flanagan as Military Policeman

Jason White as Dawson

Nicholas Blane as Vicar

Catherine Balavage as Sleeping Girl - Debutante