Sister Honour Langtree (Wendy Hughes), is in charge of a military hospital for psychiatric patients. She however transgresses boundaries by developing a sexual attraction for a new patient.
| Actor | Role |
|---|---|
 Wendy HughesHonour Langtry | Honour Langtry |
 Gary SweetMichael Wilson | Michael Wilson |
 Richard MoirLuce Daggett | Luce Daggett |
 Jonathan HydeNeil Parkinson | Neil Parkinson |
 Bruno LawrenceMatt Sawyer | Matt Sawyer |
 Mark LittleBenedict Maynard | Benedict Maynard |
 Tony SheldonNugget Jones | Nugget Jones |
 Bill HunterColonel Chinstrap | Colonel Chinstrap |
 Julia BlakeMatron | Matron |
 Caroline GillmerSally | Sally |
| MMarina FinlaySue Peddar | Sue Peddar |
 John SheerinRSM | RSM |
| AAndrew MartinPennyquick | Pennyquick |
| MMark DavisColin | Colin |