| Daniel Kaluuya | Bing |
| Jessica Brown Findlay | Abi |
| Rupert Everett | Judge Hope |
| Julia Davis | Judge Charity |
| Ashley Thomas | Judge Wraith |
| Paul Popplewell | Dustin |
| Isabella Laughland | Swift |
| David Fynn | Oliver |
| Colin Michael Carmichael | Kai
(as Colin Carmichael) |
| Hannah John-Kamen | Selma Telse |
| Kerrie Hayes | Glee |
| Eugene O'Hare | Hammond |
| Jaimi Barbakoff | Anna |
| Merce Ribot | Big Shot Registration Lady |
| Matthew Burgess | Botherguts Host |
| Laura Power | Interviewer |
| Matt Stokoe | Guard |
| Chloe Driver | Cleaner
(uncredited) |
| Bryony Francis | Sex Worker
(uncredited) |
| Chris Martin Hill | Police Officer 840
(uncredited) |
| Emma Holmes | Botherguts Fat Girl
(uncredited) |
| Alan Lambie | Rude Dancer
(uncredited) |
| Brian Shaw | Cyclist
(uncredited) |