' If he's been locked up all these years why is it all right to let him out now? ' ' New thinking.' But what happens when new thinking comes up against the same old behaviour?
| Actor | Role |
|---|---|
 David BurkeLen | Len |
| PPaul McDowellWilliam | William |
 Gwen TaylorBetty | Betty |
 John BennettDr Robbins | Dr Robbins |
| TTim BarlowLudo | Ludo |
 Jean GilpinSandra | Sandra |