Directed by Nigel Proctor
Billy believes his friends and family have been replaced by doubles. His psychiatrist believes this is a delusion. Meanwhile, Billy's carrying out an experiment to prove it's no delusion.
Arthur Darvill
Billy
Kate Ashmead
Doctor
Phoebe Waller-Bridge
Anna
Kevan Brighting
News Reader (voice)
The Experiment
Little Boy Blue
Chatroom
The Ghoul
The Truth About Emanuel
Shock Corridor
SAS: Red Notice
Unthinkable
