Harold is suffering from a terrifying new disease that is turning him into a zombie. As his condition deteriorates, he and his friendly care worker end up on the run from a group of violent vigilantes.
| Actor | Role |
|---|---|
| SStan RoweHarold Gimble | Harold Gimble |
| SSarah SpencerPenny Rudge | Penny Rudge |
 Andy PandiniJon Grayson | Jon Grayson |
| PPhil GascoyneNorbert Shuttleworth | Norbert Shuttleworth |
| LLee ThompsonMike Jacksmith | Mike Jacksmith |
| RRichard HarrisonColin | Colin |
| LLiz SimmonsJune Peterson | June Peterson |
| MMolly HoweStacey Tattle | Stacey Tattle |
| MMichaela Anne RoweGrace Mathews | Grace Mathews |
| RRoger BinghamNews Reporter | News Reporter |
| MMichael EtheridgeSecurity Guard | Security Guard |
 Daniel GoslingLab Assistant | Lab Assistant |
| JJane HardcastleCharity Shop Owner | Charity Shop Owner |