A screener at the British Board of Film Classification (BBFC), who has earned an unsavory reputation for being the strictest censor of violent films, begins to spiral out of control after viewing a low-budget horror with similarities to the disappearance of her sister.
| Enid Baines | Niamh Algar |
| Doug Smart | Michael Smiley |
| Sanderson | Nicholas Burns |
| Fraser | Vincent Franklin |
| Alice Lee | Sophia La Porta |
| Frederick North | Adrian Schiller |
| June | Clare Holman |
| George | Andrew Havill |
| Valerie | Felicity Montagu |
| Perkins | Danny Lee Wynter |
| Anne | Clare Perkins |
| Beastman | Guillaume Delaunay |
| Gerald | Richard Glover |
| Debbie | Erin Shanagher |
| Young Enid | Beau Gadsdon |
| Nina | Amelie Child-Villiers |
| Gordon | Matthew Earley |
| Frank | Richard Renton |
| Older Girl in Film | Bo Bragason |
| Younger Girl in Film | Amelia Craighill |
| Panicked Woman | Madeleine Hutchins |
| Tom | Robert Vernon |
| Neighbour on TV | Lucy Mizen |
| Woman in Video Nasty | Joanne Gale |
| Waitress | Clare Noy |
| Red Haired Woman | Louise Hadley |
| Girls on Night Out | Lisa Ronaghan |
| Girls on Night Out | Francesca Renée Reid |
| Boy | Albie Marber |
| Alf the Projectionist | Chris Dale |
| Journalist #2 | Guy Slocombe |
| Journalist #4 | Garry Molyneux |
| Arguing Man | Sean Buchanan |
| Arguing Woman | Emma Eckton |
| Man Reading Newspaper on Train | John Ward |
| Young Boy with Arguing Couple | Joe Walker |
| Man in Extreme Coda | Peter Pedrero |
| Woman in Extreme Coda | Alice Eadson |
| The Day The World Began | Steven O'Rourke |
| The Day The World Began | Sam Goodland |
| Kids Outside Video Shop | Charlie Langridge |
| Kids Outside Video Shop | Emile James |
| Woman in Video Shop | Sharon Taylor |
| Bloodied Woman in Rejected Video Nasty | Prano Bailey-Bond |
| Journalist #3 | Jonathan Rushby-Taylor |
| Hands Through The Bed | Grant Crookes |
| Journalist | Paul Cavendish |
| Film Crew in Cabin | Jean-Pascal Heynemand |
