Christopher Menaul Director Dominic Cooper AJ Munnings Actor Emily Browning Florence Carter-Wood Actor Dan Stevens Gilbert Evans Actor, Producer Hattie Morahan Laura Knight Actor Mia Austen Dolly Actor Shaun Dingwall Harold Knight Actor Max Deacon Joey Carter-Wood Actor Nicholas Farrell Mr. Carter-Wood Actor Michael Maloney Col. Paynter Actor Roger Ashton-Griffiths Mr. Jory Actor Jonathan Smith Screenwriter Jeremy Cowdrey Producer Pippa Cross Producer Janette Day Producer Bruno Wu Executive Producer Stephen Henderson Executive Producer Andrew Dunn Cinematographer Chris Gill Film Editing St. John O'Rorke Film Editing Benjamin Wallfisch Original Music Sophie Becher Production Design Dan Taylor Supervising Art Direction James Morrall Art Director Stella Fox Set Decoration Nic Ede Costume Design John Hubbard Casting Ros Hubbard Casting