On screen
Cast
18 credited performers
Benedict Cumberbatch
Christopher Tietjens
Rebecca Hall
Sylvia Tietjens
Adelaide Clemens
Valentine Wannop
Miranda Richardson
Mrs. Wannop
Roger Allam
General Campion
Rupert Everett
Mark Tietjens
Janet McTeer
Mrs. Satterthwaite
Tom Mison
Potty Perowne
Stephen Graham
Vincent MacMaster
Artwork unavailable
Sasha Waddell
Glorvina
Clare Higgins
Lady Claudine
Freddie Fox
Edward Wannop
Rudi Goodman
Michael (8 years)
Artwork unavailable
Tat Whalley
Army Groom
Artwork unavailable
Christine Cox
Mother
Jack Huston
Gerald Drake
Rufus Sewell
Reverend Duchemin, Edith's husband
Charles Dhondt
British Red Cross soldier (uncredited extra)