A drama teacher starts work in a notorious prison with a classroom of hardened criminals and comes into conflict with the prison dentist after becoming romantically involved with the wrong woman
| Actor | Role |
|---|---|
 Alexander ArmstrongDavid Wivvelsfield | David Wivvelsfield |
 Nigel HaversPeter Hillman | Peter Hillman |
 Angela GriffinSally Tonkin | Sally Tonkin |
 John HenshawBrian Tonkin | Brian Tonkin |
 Sally BrettonKaren | Karen |
 Paterson JosephNeil | Neil |
 Alison NewmanRose | Rose |
 Ian BartholomewRay | Ray |
 Clive MerrisonPrison Governor | Prison Governor |
| JJames HolmesRalph | Ralph |
 Tabitha WadyHarriet - Dental Receptionist | Harriet - Dental Receptionist |
| MMarian PashleyEnrolment Assistant | Enrolment Assistant |
| WWendy WatsonSex Lecturer | Sex Lecturer |
 Gary SeftonBob | Bob |
| NNiall AshdownCookery Teacher | Cookery Teacher |
 Mark RoperTrainer | Trainer |
| TTom WatsonYouth | Youth |
| IIan RalphAmbulance Man | Ambulance Man |
| LLouise WinstoneChemist | Chemist |
| MMorgan WaltersGuard | Guard |
| HHoward KarloffDanny | Danny |