Swansea, 1994. Five ordinary Welshmen face up to their secrets and lies when they embark on one of the world’s first medical trials for the drug that would become Viagra.
| Name | Type | Role | |
|---|---|---|---|
| Karen Lewis | Producer | ||
| Ashley Way | Director | ||
| Iwan Rheon | Actor | Meurig Jenkins | |
| Paul Rhys | Actor | Tommy Cadogan | |
| Aneurin Barnard | Actor | Dr Dylan Pearce | |
| Mark Lewis Jones | Actor | Eddie O'Connor | |
| Joanna Page | Actor | Moira Davies, Clinical Nurse | |
| Steffan Rhodri | Actor | Colin White |