In an attempt to pull her family together, Adèlle travels with her young daughter Sarah to Wales to visit her father. The morning after they arrive, Sarah mysteriously vanishes in the ocean. Not long after, a little girl bearing a striking resemblance to their missing daughter reveals that she has retuned from the dead — and that Sarah has been taken to the Welsh underworld.
Unfortunately the movie The Dark is not yet available on HBO Max.
| Production | Paul W. S. Anderson | Producer |
| Writing | Stephen Massicotte | Screenplay |
| Writing | Simon Maginn | Author |
| Camera | Christian Sebaldt | Director of Photography |
| Costume & Make-Up | Ffion Elinor | Costume Design |
| Production | Robyn Ray | Casting |
| Production | Steve Christian | Executive Producer |
| Editing | Chris Gill | Editor |
| Directing | John Fawcett | Director |
| Production | Jeremy Bolt | Producer |
| Costume & Make-Up | Simon Thompson | Hair Department Head |
| Costume & Make-Up | Christine Whitney | Makeup & Hair |
| Art | Lester Rowbotham | Standby Carpenter |
| Sound | Graeme Stoten | ADR Recordist |
| Art | Andrew Wilson | Dressing Prop |
| Art | Dan Maslen | Storyboard Artist |
| Sound | Andrew Stirk | ADR Recordist |
| Costume & Make-Up | Vikki Illing | Costumer |
| Sound | Lionel Selwyn | Foley Artist |
| Costume & Make-Up | Maxine Brown | Costumer |
| Production | Brendan Donnison | ADR Voice Casting |
| Sound | Michael Miller | ADR Recordist |
| Sound | Matthew Skelding | ADR Recordist |
| Art | Sam Stokes | Standby Art Director |
| Sound | Zak Melemendjian | ADR Recordist |
| Sound | Lauren Ana Walker | Dialogue Editor |
| Sound | Jason Swanscott | Foley Artist |
| Visual Effects | Adam Seeley | Animation |
| Camera | Howard Baker | Camera Operator |
| Production | Phil Gates | Location Manager |
| Sound | Dan Johnson | Sound Re-Recording Mixer |
| Visual Effects | Adam Gascoyne | Visual Effects Supervisor |
| Camera | Mark Wolf | Underwater Camera |
| Camera | Gerry Vasbenter | Steadicam Operator |
| Costume & Make-Up | Leigh Nicol | Costume Supervisor |
| Production | Jules De Barsham | Location Manager |
| Sound | Bernard O'Reilly | Sound Effects Editor |
| Camera | Giles Keyte | Still Photographer |
| Crew | Rob Deacon | Unit Publicist |
| Costume & Make-Up | Zoe Brown | Hairstylist |
| Production | Johnny Bamford | Location Manager |
| Directing | Elizabeth Tremblay | Script Supervisor |
| Crew | Gareth Milne | Stunt Coordinator |
| Production | Ian Pollington | Location Manager |
| Costume & Make-Up | Sue Ignatius | Makeup Department Head |
| Production | Henry Woolley | Location Manager |
| Production | Della Moore | Production Accountant |
| Art | Ed Walsh | Art Direction |
| Sound | Howard Bargroff | Sound Re-Recording Mixer |
| Crew | John Harvey | CG Supervisor |
| Camera | Mark Milsome | Camera Operator |
| Sound | Kirsty Whalley | Music Editor |
| Costume & Make-Up | Erin Ayanian | Makeup Artist |
| Art | Eve Stewart | Production Design |
| Production | Candice Fonseca | Production Manager |
| Sound | Allan Jenkins | Music Editor |
| Sound | Ben Meechan | Sound Effects Editor |
| Lighting | Phil Brookes | Gaffer |
| Lighting | John Donoghue | Rigging Gaffer |
| Camera | David Odd | Camera Operator |
| Crew | Terry Law | Carpenter |
| Costume & Make-Up | Sarah Monzani | Hair Designer |
| Production | Suzanne Smith | Casting |
| Crew | Graham Thomas | Carpenter |
| Crew | Mark Overall | Carpenter |
| Art | Andrew Grant | Supervising Art Director |
| Production | Robert How | Co-Producer |
| Production | Robert Kulzer | Executive Producer |
| Costume & Make-Up | Maralyn Sherman | Prosthetic Makeup Artist |
| Lighting | Joe Judge | Best Boy Electric |
| Sound | John Rodda | Production Sound Mixer |
| Art | Justin Overhill | Standby Painter |
| Camera | Alex Tate | Grip |
| Production | Paul Tamasy | Executive Producer |
| Art | Jo Riddell | Art Department Assistant |
| Art | Rowanna Lacey | Assistant Art Director |
| Sound | Edmund Butt | Original Music Composer |
| Lighting | James Bradshaw | Electrician |
| Sound | Liz Gallacher | Music Supervisor |
| Sound | Geoff Alexander | Orchestrator |
| Visual Effects | Jayson King | 3D Animator |
| Costume & Make-Up | Sarah Monzani | Makeup Designer |
| Sound | Matthew Desorgher | Boom Operator |
| Visual Effects | Melissa Butler Adams | Digital Compositors |
| Crew | Steve Harrow | Post-Production Manager |
| Crew | Gerard Baldwin | Driver |
| Production | Sarada McDermott | Production Coordinator |
| Sound | Toby Wood | Scoring Mixer |
| Crew | Alexander Berner | Creative Consultant |
| Directing | Mark Egerton | First Assistant Director |
| Visual Effects | David Harris | Special Effects Supervisor |
| Sound | Geoff Alexander | Conductor |
| Production | Jane Trower | First Assistant Accountant |
| Production | Rob Craine | Production Assistant |
| Directing | Karen Fryer | Continuity |
| Art | Nurey Al-Kahzrajie | Art Department Trainee |
| Crew | Roger Kendall | Health and Safety |
| Production | Oliver Barron | Production Runner |
| Sound | Courtney Bishop | ADR Recordist |
| Camera | Chris Clarke | Clapper Loader |
| Editing | Emanuele Giraldo | Assistant Editor |
| Visual Effects | Aeon Henderson | Digital Compositor |
| Crew | Graham Hills | Special Effects Technician |
| Production | Peter Smith | Assistant Location Manager |
| Camera | Harry Bowers | Focus Puller |
| Crew | Anne Marie Speed | Dialogue Coach |
| Costume & Make-Up | Nicola Rodd | Costume Assistant |
| Art | Don Santos | Dressing Prop |
| Sound | Barnaby Smyth | Foley Supervisor |
| Production | Vanessa Baker | ADR Voice Casting |
| Directing | Oscar Beuselinck | Second Assistant Director |
| Art | Temple Clark | Storyboard Artist |
| Costume & Make-Up | Jemma Scott-Knox-Gore | Contact Lens Technician |
| Directing | Lucy Egerton | Third Assistant Director |
| Costume & Make-Up | Liz Phillips | Makeup Trainee |
| Directing | Grant Harvey | Second Unit Director |
| Sound | Simon Price | Supervising Dialogue Editor |
| Production | Katie Elson | Location Assistant |
| Production | Andrew Gwyn Davies | Assistant Production Coordinator |
| Crew | Carolyn Matini | Special Effects Assistant |
| Editing | Marcus Alexander | Digital Intermediate Producer |
| Production | Jacky Holding | Assistant Accountant |
| Production | Peter Bach | Head of Production |
| Sound | Melissa Lake | Foley Artist |
| Camera | Adam Cowan | Camera Loader |
| Production | Thomas L. Carter | Casting Assistant |
| Writing | Rory Gilmartin | Script Editor |
| Production | Bev Lawley | Extras Casting |
| Production | Jan Hogevold | Production Executive |
| Art | Matt Curtis | Title Designer |
| Camera | Inderpreet Bahia | Camera Trainee |
| Sound | Edmund Butt | Music Score Producer |
| Editing | Adam Inglis | Colorist |
| Production | Anna Bolt | Post Production Coordinator |
| Editing | Eddy Kolkiewicz | Negative Cutter |
| Crew | Chris Ingram | Set Runner |
| Sound | Dan Green | Dialogue Editor |
| Crew | Kim McGarrity | Stunts |
| Crew | Gary Connery | Stunts |
| Crew | Ruth Jenkins | Stunts |
