Drama based on the life of Owen Morgan Edwards, one of the main benefactors and campaigners for the Welsh language and Welsh culture in a period of time when the Welsh language was banned in schools and public places.
| Actor | Role |
|---|---|
| BBryn FônO.M. | O.M. |
| MMari Rowland HughesElin | Elin |
 Huw GarmonIfan | Ifan |
| MMirain Llwyd OwenHâf | Hâf |
| CCai HywelAb Owen | Ab Owen |
| SStewart JonesOwen Edwards | Owen Edwards |
| OOlwen ReesBet Edwards | Bet Edwards |
| NNia MediMary | Mary |
| MMorfudd HughesKate | Kate |
| GGwenno Elis HodgkinsLisi | Lisi |
| LLlio MillwardMagi | Magi |
| GGareth RobertHuw | Huw |
| GGeraint LewisWilliam | William |
 Allie ByrneMary Cave | Mary Cave |
| PPeter HowellJowett | Jowett |
 Llewellyn ReesRector | Rector |
 Jean AndersonLady Crewe | Lady Crewe |
| EEilian WynHeadmaster | Headmaster |
| TTamsin SpargoHeadmistress | Headmistress |
| YYoland WilliamsDoctor | Doctor |
| NNoel WilliamsPresident | President |
| SSioned MairEluned Morgan | Eluned Morgan |
| EEmyr Morgan EvansMinister | Minister |
| DDafydd ClwydTad | Tad |
| GGwyn Ellis WilliamsYoung O.M. | Young O.M. |
| LLisa Mererid EdwardsYoung Hâf | Young Hâf |
| GGareth Alun JonesYoung Ifan | Young Ifan |
| DDylan JonesBoy on the train | Boy on the train |
| DDyfrig Rhun GwentBoy in the school | Boy in the school |
| GGabriel LetchBoy in the school | Boy in the school |