Gillian Anderson (Raynor Winn), Jason Isaacs (Moth Winn), James Lance (Grant), Hermione Norris (Polly), Rebecca Ineson (Rowan Winn), Tucker St. Ivany (Tom Winn), Denis Lill (Dog Walker) more..., Angus Wright (Doctor Shaw), Georgia Henshaw (Housing Officer), Pippa Hinchley (Ice Cream Seller), Amy Griffiths (Tessa), Megan Placito (Bea), Sasha Frost (Grant’s Guest), Nigel Anthony (Prodding Man), Lloyd Hutchinson (Bathing Man), Gwen Currant (Sealy), Robbie O'Neill (Sealy’s Partner), Cee Howeson (Commune Dweller), James Craven (Male Youth), Hannah Brownlie (Girl with Pink Hair), Caroline Hunt (Salted Woman), Marianne Elliott ((uncredited)), Bern Collaço (Shopkeeper), Olivia Edwards (Waitress), Lainey Shaw (Boss), Dan Ball (Lead Backpacker), Tamlyn Henderson (Nick), Jimmy Gorniak (Walker), Carl Sykes (Bailiff)

Nicholas Sidi (Executive Producer), Lloyd Levin (Producer), Emily Bilverstone (Makeup & Hair), Hélène Louvart (Director of Photography), Christina Moore (Production Design), Elizabeth Karlsen (Producer), Rebecca Lenkiewicz (Writer) more..., Norman Merry (Executive Producer), Marianne Elliott (Executive Producer), Beatriz Levin (Producer), Dixie Chassay (Casting Director), Peter Hampden (Executive Producer), Matthew Price (Costume Design), Kristin Irving (Executive Producer), Stephen Woolley (Producer), Thorsten Schumacher (Executive Producer), Chris Roe (Original Music Composer), Raynor Winn (Book), Raynor Winn (Co-Producer), Shonagh Smith (Set Decoration), Alice Hopkins (Makeup Artist), Sophie Moore (Makeup Artist), Gareth C. Scales (Editor), Lucia Zucchetti (Editor), Chris Harper (Executive Producer), Caroline Levy (Executive Producer), Jonathan Lynch-Staunton (Executive Producer), Joe Morley (Foley Artist), Enric Ortuno (Other), Sarah Perry (Choreographer), Jamie Edgell (Stunt Coordinator), Philip Barber (Art Direction),