Dal y Mellt was released last October as a Box Set on S4C and BBC iPlayer and garnered critical acclaim and proved a rating hit for the Welsh-language broadcaster.

The drama, produced by Vox Pictures, is an adaptation of Iwan ‘Iwcs’ Roberts first novel of the same name. Novelist Iwan ‘Iwcs’ Roberts also wrote the TV script and co-produced the drama with Llyr Morus and directed by Huw Chiswell.

Dal y Mellt follows the troubled story of the main character Carbo and accompanies him on an exciting and entertaining journey as he is drawn into a world of wrongdoing, lies, secrets and heartbreak. The series starts out on the dark back streets of Cardiff then moves back and forth between Cardiff, Soho, Porthmadog and Holyhead.

The cast includes Mark Lewis Jones as Garage boss Mici Ffin, Gwïon Morris Jones who plays the central character Carbo, Graham Land plays Les with Siw Hughes playing his mother, Meri-Jên. Dyfan Roberts plays Gronw, with Lois Meleri-Jones playing his daughter Antonia and Owen Arwyn as his son Dafydd Aldo. Ali Yassine portrays Cidw.

S4C’s Chief Content Officer, Llinos Griffin-Williams said: “This is fantastic news for Welsh language drama.  The popularity of international dramas on Netflix globally, proves there is an appetite for exciting quality drama regardless of language. Dal y Mellt (Rough Cut) is testament to the calibre of talent producing drama out of Wales.

Our Welsh language dramas stand shoulder to shoulder with the rest of the world, S4C has a long history of selling co-produced dramas - Y Gwyll (Hinterland), Un Bore Mercher (Keeping Faith), Sgrech (The Feast) Y Golau (Light in the Hall) all bilingual (English/Welsh) back to back productions selling to broadcasters and streamers internationally.

To sell a Welsh language only series to a major Global streamer like Netflix sets out our ambition to take Welsh talent and language to the world."