 | Sean Harris als Philip |
 | Alun Armstrong als Maurice |
 | Andy Blithe als Michael’s Father |
| Ryan Enever als Michael’s Uncle |
| Charlie Eales als Michael |
 | Joe Gallucci als Lee |
| Rohan Gotobed als Andrew |
 | Raphel Famotibe als Simon |
| Simon Bubb als Mr. Evans |
| Katie Lightfoot als Mrs. Atwood |
| Elliot Booty als Youth 1 |
| Abraham Graham als Youth 2 |
| Ryan Davenport als Young Boy |
| Susie Fowler-Watt als Newsreader |
| Freya Cannon als Child on train 1 |
| Andreas Christoph als Child on train 2 |
| Pamela Cook als Mother with Push Chair |
| Rachel Kirby als Another mother |
| Keith Moroni als Police car driver |
 | Daniel Eghan als Police passenger |
| Stuart Dean als Rambler |
| Andrea Gold als Rambler |
| James Stickley als Schoolchild |
| Callum Prosser als Schoolchild |
| Evie Oliver als Schoolchild |
| Harvey Bellamy als Schoolchild |
| Harrison Tompkins als Schoolchild |
| Matthew Holness | Writer |
| Matthew Holness | Director |
| Natalie Ward | Costume Design |
| Alexandra Toomey | Art Direction |
| Mark Lane | Producer |
| Gabor Kerekes | Makeup Artist |
| Mary Burke | Executive Producer |
| Babak Eftekhari | Co-Producer |
| Aoife Delany | Post Producer |
| Wayne Marc Godfrey | Producer |
| Tommy Boulding | Editor |
| Andrea Scarso | Executive Producer |
| Kit Fraser | Director of Photography |
| Gabor Kerekes | Hairstylist |
| Lizzie Francke | Executive Producer |
| Emma Scott | Makeup Designer |
| Robert Jones | Producer |
| Andrew Boucher | Executive Producer |
| Charlotte Pearson | Production Design |
| James Cotton | Co-Producer |
| Colin Jones | Casting |
| James Harris | Producer |
| The Radiophonic Workshop | Original Music Composer |
| Hilary Davis | Executive Producer |
| Stephen Kelliher | Executive Producer |
| Patrick Howson | Executive Producer |
| Emma Scott | Hair Designer |
| Dominic Hailstone | Creature Design |
| Sarah Dempster | Script Editor |
| Esteban Frost | Production Manager |
| Jonathan Midlane | First Assistant Director |
| Paul Bennett | Second Assistant Director |
| Georgina Wronska | Third Assistant Director |
| Olwyn Fagan | Floor Runner |
| Liz West | Script Supervisor |
| Ralph Messer | First Assistant Camera |
| Darren Ladbury | Second Assistant Camera |
| Ben Nicholls | Grip |
| Jazz Bhalla | Gaffer |
| Steve Hayward | Gaffer |
| Danny Hayward | Rigging Gaffer |
| Joel Rainsley | Best Boy Lighting Technician |
| Leo Olesker | Electrician |
| Michael Salaga | Electrician |
| Ashok Kumar Kumar | Sound Recordist |
| Adam Johnston | Boom Operator |
| Catherine Clark | Standby Art Director |
| Jekaterina Potasova | Graphic Designer |
| Carl Lenton | Construction Manager |
| Robert McLeod | Carpenter |
| Matthew Strange | Special Effects Supervisor |
| Steven Leek | Special Effects Technician |
| James Ingrey | Special Effects Technician |
| Dave Goshorn | Special Effects Technician |
| Cat McNamara | Production Coordinator |
| Catherine Freeman | Post Production Coordinator |
| Layla Bukhowa | Production Runner |
| Hannah Munnings | Costume Supervisor |
| Julian Fritz | Still Photographer |
| Bradley Dennis | Epk Camera Operator |
| Andrei Nazarenko | Stunt Coordinator |
| Joe Golby | Stunt Coordinator |
| Crispin Buxton | Location Manager |
| David Chambers | Location Scout |
| Rachel Adridge | Location Scout |
| Toby Spigel | Casting Associate |
