Name	Known for
David Calder Vaughan Vaughan See fewer	The World Is Not Enough (1999)
Andrew Howard Aaron Aaron See fewer	Echo (2023)
Keith Barron Sir Thomas Sir Thomas See fewer	Doctor Who (1963)
Emma Fielding Elizabeth Elizabeth See fewer	Cranford (2007)
David Garfield Parker Parker See fewer	Lorna Doone (1976)
Sharon Geater Rebecca Rebecca See fewer	Drovers' Gold (1997)
Robert Glenister Markby Markby See fewer	The Aeronauts (2019)
Mike Hayward Innkeeper Innkeeper See fewer	The Bill (1984)
Anastasia Hille Isobel Isobel See fewer	Snow White and the Huntsman (2012)
Aneirin Hughes Daniel Daniel See fewer	Cameleon (1997)
Alun Jones Dafydd Dafydd See fewer	Wimbledon (2004)
Freddie Jones Moc Moc See fewer	Dune (1984)
Ruth Jones Mary Mary See fewer	Stella (2012)
Danny Llewelyn Isaiah (as Daniel Llewelyn) Isaiah (as Daniel Llewelyn) See fewer	Akeelah and the Bee (2006)
Robert Pugh Handl Handl See fewer	The Ghost Writer (2010)
John Standing Sir Huw Sir Huw See fewer	V for Vendetta (2005)