HomePeople Biography and filmographySion Eifion Biography unavailable on TMDB. Movies (4)TV shows (1) Movies (4) Effi o Blaenau2026 Y Sŵn2023 · Dafydd Elis-Thomas Pee Fright · Sam The Theory of TomorrowThe Theory of Tomorrow · Director, Writer, Producer TV shows (1) Emmerdale1972 · Steve Michaels
