Extraordinary things happen at an ordinary police station.
| Actor | Role |
|---|---|
 Nigel DavenportInspector Potter | Inspector Potter |
 Neil McCarthyPC Miller | PC Miller |
| MMarjie LawrenceMrs. Miller | Mrs. Miller |
 Michael RobbinsSergeant Strickland | Sergeant Strickland |
 Carmel McSharryMrs. Lattimore | Mrs. Lattimore |
 Shelagh WilcocksCanteen supervisor | Canteen supervisor |
 John Le MesurierSuperintendent Melchior | Superintendent Melchior |
| JJeremy LonghurstVicar | Vicar |
| EEvelyn LundMrs. Potter | Mrs. Potter |
| JJacqueline BlackmoreMrs. Potter's Nurse | Mrs. Potter's Nurse |