Lily James (Juliet Ashton), Jessica Brown Findlay (Elizabeth McKenna), Matthew Goode (Sidney Stark), Michiel Huisman (Dawsey Adams), Katherine Parkinson (Isola Pribby), Glen Powell (Mark Reynolds), Tom Courtenay (Eben Ramsey) more..., Kit Connor (Eli Ramsey), Penelope Wilton (Amelia Maugery), Bronagh Gallagher (Charlotte Stimple), Bernice Stegers (Mrs. Burns), Clive Merrison (Mr. Gilbert), Nicolo Pasetti (Christian Hellmann), Florence Keen (Kit McKenna), Andy Gathergood (Eddie Meares), Tom Owen (Frank Hood), Gregory Mann (Young Eli Ramsey), Richard Derrington (Barman), Dilyana Bouklieva (Nurse), Madeleine Domries (Elegant Wife), Philip Ridout (Guernsey Star Clerk), Marek Oravec (German Officer), Jack Morris (German Soldier), Stephanie Schonfield (Audience Member #1), Pippa Rathborne (Audience Member #2), Emily Patrick (Audience Member #3), Rachal Olivant (Audience Member #4), Alexa Povah (Sidney's Secretary), Steve Morphew (Policeman), Joanna Hole (Woman at Market)

Thomas Bezucha (Writer), Don Roos (Writer), Graham Broadbent (Producer), Peter Czernin (Producer), Paula Mazur (Producer), Paul Tothill (Editor), Kirk Doman (Art Direction) more..., James Merifield (Production Design), Zac Nicholson (Director of Photography), Annie Barrows (Novel), Mary Ann Shaffer (Novel), Mitchell Kaplan (Producer), Susie Figgis (Casting), Sara Wan (Set Decoration), Charlotte Walter (Costume Design), Angela Oxley Evans (Hair Supervisor), Ann Buchanan (Hair Designer), Lacey Corbould (Hairstylist), Angela Oxley Evans (Makeup Designer), Ann Buchanan (Makeup Designer), Monique Mussell (Production Manager), Jack Ravenscroft (First Assistant Director), Lavleena Korotania (Art Department Assistant), Kate Suzanne Hunter (Assistant Art Director), Philip A. Brown (Draughtsman), Noel Cowell (Property Master), Mhairi Wyles-Lang (ADR & Dubbing), Jo Vale (Boom Operator), Robert Karlsson (Dolby Consultant), Sue Harding (Foley), Hugo Adams (Foley Editor), Chris Burdon (Sound Re-Recording Mixer), Markus Moll (Sound Re-Recording Mixer), Becki Ponting (Supervising Sound Editor), Chris Reynolds (Special Effects Supervisor), Paul O'Hara (Visual Effects Coordinator), Noga Alon Stein (Visual Effects Producer), James Roberts (Visual Effects Supervisor), Luca Zappala (CG Supervisor), James Markwick (Camera Operator) and others.