Dewi graduated from the Bristol Old Vic Theatre School in 2021. He has since been nominated for a Stage Debut award for his part in Petula, a co-production between Theatr Cymru, National Theatre Wales and August 012.
He has also toured The Famous Five – A New Musical with Theatr Clwyd and Chichester Festival Theatre, and was on Cwmni Mega’s latest Christmas tour with the panto Culhwch ac Olwen.

His television work includes The Sister Boniface Mysteries (BBC Studios), Y Goleudy (S4C/Boom Cymru), Bextra (S4C/Ceidiog), Mr Bates vs The Post Office (ITV/Little Gem), Beyond Paradise (BBC/Red Planet) and Poll Pri (Delvrys/Film Hub South West).