Terry and Gemma are forced to take refuge in a sinister and dilapidated caravan park after their coach breaks down. During the unplanned stay, visitors and residents begin to be bumped off one by one under grizzly circumstances.
Unfortunately the movie Dial M for Middlesbrough is not yet available on HBO Max.
| Camera | Roy Estabrook | Director of Photography |
| Editing | Mark Wybourn | Editor |
| Production | Guy Darby | Location Manager |
| Lighting | Stefan Lissner | Gaffer |
| Lighting | Tyrone Reid | Electrician |
| Camera | Loren Filis | Assistant Camera |
| Crew | Steen Young | Stunt Coordinator |
| Crew | Bram Sewell | Floor Runner |
| Camera | Ben Curran | Focus Puller |
| Directing | Tillie Ross | Third Assistant Director |
| Sound | Ben Collinson | Boom Operator |
| Production | Tracey Gillham | Casting Director |
| Lighting | Jim Russell | Electrician |
| Camera | Lina Rasmussen | Assistant Camera |
| Crew | Lucy Allen | Stunts |
| Directing | Adam Jenkins | First Assistant Director |
| Production | Mathias Gilay | Production Manager |
| Camera | Cameron Howatson | Focus Puller |
| Camera | Eurico Machado | Camera Trainee |
| Production | Michelle Cavanagh | Casting Assistant |
| Production | Joanne Burton | Production Accountant |
| Camera | Alistair Upcraft | Camera Operator |
| Camera | Lucy Bradley | Camera Trainee |
| Costume & Make-Up | Lucy Williams | Costume Design |
| Camera | David Manktelow | Camera Trainee |
| Art | Toby Troyna | Property Master |
| Production | Andy Brereton | Executive Producer |
| Crew | Scott McIntyre | Special Effects |
| Costume & Make-Up | Toni Lee | Makeup Supervisor |
| Art | Caroline Caley | Art Direction |
| Writing | Mollie Freedman Berthoud | Script Editor |
| Editing | Perry Gibbs | Colorist |
| Sound | Keith Branch | Sound Recordist |
| Directing | Chrissie Bibby | Script Supervisor |
| Sound | James Evans | Sound Editor |
| Production | Fawzia Mahmood | Producer |
| Costume & Make-Up | Vanessa Johnson | Makeup Designer |
| Costume & Make-Up | Anna Hillary | Makeup Trainee |
| Production | Andrew Harvey | Line Producer |
| Production | Bradley Kelly | Production Secretary |
| Camera | Chris 'Froggy' Cole | Grip |
| Art | Thorin Thompson | Production Design |
| Costume & Make-Up | Donna-Marie Field | Makeup Artist |
| Directing | Liz Summers | Second Assistant Director |
| Crew | Dave Billsberry | Carpenter |
| Costume & Make-Up | Jacqui Miles | Costume Supervisor |
| Costume & Make-Up | Vanessa Johnson | Hair Designer |
| Writing | Jason Cook | Writer |
| Directing | Ed Bye | Director |
