Steven Spielberg Director, Producer Emily Watson Rosie Narracott Actor David Thewlis Mr. Lyons Actor Jeremy Irvine Albert Actor Peter Mullan Ted Narracott Actor Niels Arestrup Grandfather Actor Tom Hiddleston Capt. Nicholls Actor Benedict Cumberbatch Major Stewart Actor Toby Kebbell Geordie Soldier Actor Patrick Kennedy Lt. Waverly Actor David Kross Gunther Actor Celine Buckens Emilie Actor Robert Emms David Lyon Actor Rainer Bock Brandt Actor Geoff Bell Sgt. Sam Perkins Actor Leonard Carow Michael Actor Matt Milne Andrew Easton Actor Lee Hall Screenwriter Richard Curtis Screenwriter Kathleen Kennedy Producer Frank Marshall Executive Producer Revel Guest Executive Producer Janusz Kamiński Cinematographer John Williams Original Music Rick Carter Production Design Michael Kahn Film Editing Neil Lamont Supervising Art Direction Gary Tomkins Art Director Molly Hughes Art Director Hattie Storey Art Director Lee Sandales Set Decoration Joanna Johnston Costume Design Jina Jay Casting