Name	Known for
Sion Ifan Danny Danny See fewer	Y Goleudy (2022)
Dafydd Llyr-Thomas Dai Donkey (as Dafydd Llyr Thomas) Dai Donkey (as Dafydd Llyr Thomas) See fewer	Quick Cuts (2013)
Owain Gwynn Tom Tom See fewer	Apostle (2018)
Hanna Jarman Gwenno Gwenno See fewer	Zanzibar (2011)
Huw Davies Gareth Gareth See fewer	Tourist Trap (2018)
Elin Phillips Rhian Rhian See fewer	Itopia (2022)
Catrin-Mai Huw Kate Kate See fewer	Xenoblade Chronicles 2 (2017)
Iola Hughes Chloe Chloe See fewer	Caerdydd (2006)
Gwydion Rhys Huw Huw See fewer	Hidden (2018)
Ceri Lloyd Mirain (as Ellen Ceri Lloyd) Mirain (as Ellen Ceri Lloyd) See fewer	Pen Talar (2010)
Rhodri Sion Lewis Lewis See fewer	Patagonia (2010)
Ieuan Rhys Richard Richard See fewer	The Englishman Who Went Up a Hill But Came Down a Mountain (1995)
Judith Humphreys Helen Helen See fewer	Hedd Wyn (1992)