A radioactive isotope contained in copper is in a car that is stolen when parked at The Aidensfeld Arms. At the same time Greengrass tells two school boys that in another episode 'found' golf balls to him that he could use some copper. Greengrass' little brother makes him have a racing dog in custody.
| Name | Type | Role | |
|---|---|---|---|
| Brian Finch | Writer | ||
| Stratford Johns | Guest Star | Cyril Isaiah Greengrass | |
| Gerry Poulson | Director | ||
| David Michaels | Actor | Dr Neil Bolton | |
| Bill Maynard | Actor | Claude Jeremiah Greengrass | |
| Charlotte Mitchell | Actor | Granny Bellamy | |
| Philip Franks | Actor | Sgt Raymond Craddock | |
| Susie Hawthorne | Actor | Sonia Harding | |
| Arbel Jones | Actor | Aunty Mary | |
| Derek Fowlds | Actor | Oscar Blaketon | |
| Andrew Knott | Actor | Billy Fawsley | |
| Kazia Pelka | Actor | Maggie Bolton | |
| David Nicholls | Actor | Pete Anderton | |
| Andy Wear | Actor | Harry Healey | |
| Jason Durr | Actor | PC Mike Bradley | |
| Adam Colclough | Actor | Chuck Fawsley | |
| Tricia Penrose | Actor | Gina Ward | |
| Nicola Bolton | Actor | Betty Spalding | |
| Stefan Podolchuk | Actor | Stuart Chivers | |
| William Simons | Actor | PC Ventress | |
| David Parrish | Actor | Alec Formby | |
| David Lonsdale | Actor | David | |
| Alan Halsall | Actor | Trevor Chivers | |
| Mark Jordon | Actor | PC Bellamy | |
| Richard Avery | Actor | George Farrington |