Name	Known for
Stacey Tendeter Maggie Maggie See fewer	Two English Girls (1971)
David Burke Gareth Gareth See fewer	The Woman in Black (2012)
Constance Chapman Mrs. Jones Mrs. Jones See fewer	A Kind of Loving (1982)
John Pickard Young Terry Young Terry See fewer	Hollyoaks (1995)
Ross Livingstone Terry Terry See fewer	The Chief (1990)
Melanie Walters Sian Sian See fewer	Submarine (2010)
Jeff Rawle Billy Billy See fewer	Harry Potter and the Goblet of Fire (2005)
Tenniel Evans Grant Grant See fewer	Raven (1977)
David Garfield Trev Trev See fewer	Lorna Doone (1976)
Sian Hopkins Gwen Tandy Gwen Tandy See fewer	Screen Two (1985)
Sion Tudor Owen Coastguard Coastguard See fewer	Submarine (2010)
John Pandy Ambulanceman Ambulanceman See fewer	Screen Two (1985)
Nicola Beddoe Receptionist Receptionist See fewer	Cymru Fach (2008)
Stephen Thorne Newsreader Newsreader See fewer	Death of an Expert Witness (1983)
David Chalford Dai Roberts Dai Roberts See fewer	Lucifer (1987)
Robert Boyd Crew member Crew member See fewer	Emmerdale Farm (1972)
Deniol Hughes Crew member Crew member See fewer	Screen Two (1985)
Gwilym Morris Crew member Crew member See fewer	Snow White and the Huntsman (2012)
Gwynfor Roberts Crew member Crew member See fewer	Gavin & Stacey (2007)