Name	Known for
Amanda Root Rachel Mortimer Rachel Mortimer See fewer	The Forsyte Saga (2002)
Nicholas McGaughey Detective Constable Gwil Humphries Detective Constable Gwil Humphries See fewer	From Hell (2001)
Gwenyth Petty Mrs. Morgan Mrs. Morgan See fewer	Festival (I) (1963)
Shirley King Sioned Sioned See fewer	The Life and Adventures of Nicholas Nickleby (1982)
Clive Merrison Tegwyn Tegwyn See fewer	The History Boys (2006)
Alun ap Brinley Brook Brook See fewer	The Indian Doctor (2010)
Huw Davies Det. Con. Petrie Det. Con. Petrie See fewer	The Inheritors (1974)
Donna Edwards Abigail Abigail See fewer	Belonging (2000)
Winston Evans Sgt. Wilson Sgt. Wilson See fewer	The Tulse Luper Suitcases, Part 1: The Moab Story (2003)
David Garfield Heath Lewis Heath Lewis See fewer	Lorna Doone (1976)
Sharon Geater Anita Anita See fewer	Drovers' Gold (1997)
Dafydd Hywel John Geffen John Geffen See fewer	Miss Peregrine's Home for Peculiar Children (2016)
Eluned Jones Anita's mother Anita's mother See fewer	The Dark (2005)
Marcus Kelly Lorry driver (as Danny Kelly) Lorry driver (as Danny Kelly) See fewer	Seven Days (I)
Tomas Lukes Mr. Jones Mr. Jones See fewer	Jonathan Creek (1997)
Beth Morris Magistrate Magistrate See fewer	David Copperfield (1974)
Sian Rivers Secretary Secretary See fewer	The Miracle Maker (1999)
Anwen Williams Receptionist Receptionist See fewer	The Englishman Who Went Up a Hill But Came Down a Mountain (1995)
Jos Williams Desk Sergeant Desk Sergeant See fewer	The Miracle Maker (1999)