Richard Attenborough Director, Producer Ralph Richardson Sir Edward Grey Actor Laurence Olivier Field Marshal Sir John French Actor John Gielgud Count Leopold Von Berchtold Actor Kenneth More Kaiser Wilhelm II Actor John Clements Gen. von Moltke Actor Ian Holm President Poincare Actor Meriel Forbes Lady Grey Actor Wensley Pithey Archduke Franz Ferdinand Actor Ruth Kettlewell Duchess Sophie Actor Paul Daneman Czar Nicholas II Actor Corin Redgrave Bertie Smith Actor Pamela Abbott Czarina Actor Maggie Smith Music Hall Star Actor Michael Redgrave Gen. Sir Henry Wilson Actor Juliet Mills Nurse Actor Susannah York Eleanor Actor Dirk Bogarde Stephen Actor Thorley Walters Staff Officer in Ballroom Actor Guy Middleton Gen. Sir William Robertson Actor Vanessa Redgrave Sylvia Pankhurst Actor Robert Flemyng Staff Officer in Gassed Trench Actor Mary Wimbush Mary Smith Actor Colin Farrell Harry Smith Actor Maurice Roëves George Smith Actor Paul Shelley Jack Smith Actor Malcolm McFee Freddie Smith Actor Brian Duffy Producer Charles Chilton Writer Len Deighton Screenwriter Gerry Turpin Cinematographer Kevin Connor Film Editor