Name	Known for
Helen McCrory Jo Jo See fewer	Harry Potter and the Deathly Hallows: Part 2 (2011)
Rhys Ifans Kevin Kevin See fewer	The Amazing Spider-Man (2012)
Donna Edwards Gail Gail See fewer	Belonging (2000)
Ruth Lloyd Andrea Andrea See fewer	Torchwood: Monthly Range (2015)
Lynwen Hobbs Lynwen Lynwen See fewer	Rebecca's Daughters (1992)
Clare Isaac Sharon Sharon See fewer	Tiger Bay (1997)
Christine Tuckett Janice Janice See fewer	The Bench (2001)
Lynn Hunter Mary Mary See fewer	Submarine (2010)
Nicola Branson Tricia Tricia See fewer	Darklands (1996)
Claire Erasmus Annie Annie See fewer	Screen Two (1985)
Jeremi Cockram PC Jenkins PC Jenkins See fewer	Y Palmant Aur (1996)
John Pierce Jones Terry Terry See fewer	Brazil (1985)
Gary Howe Donald Donald See fewer	Green Wing (2004)
Roger Nott Photographer Photographer See fewer	Doctor Who (1963)
Gemma Probert Lily Lily See fewer	Screen Two (1985)
Huw Davies Mark, Jo's Ex Mark, Jo's Ex See fewer	The Inheritors (1974)
Richard Harrington Marei Marei See fewer	Hinterland (2013)
Teresa Hennessy WPS Simpson WPS Simpson See fewer	How can I Be Sure? (2018)
Philip Howe Engineer Engineer See fewer	Bryn (2020)
Julie Higginson Hospital Doctor Hospital Doctor See fewer	Red Dwarf (1988)
Wynford Ellis Owen Psychiatrist Psychiatrist See fewer	Jacob's Ladder (2003)
Brinley Jenkins Minister Minister See fewer	Festival (I) (1963)
Ray Gravell FPA Doctor (as Ray Gravel) FPA Doctor (as Ray Gravel) See fewer	Damage (1992)
Michael Forest Eddie Eddie See fewer	Screen Two (1985)
Russell Gomer Acker Acker See fewer	Stella (2012)
Judith Humphreys Lecturer (as Judith Humphries) Lecturer (as Judith Humphries) See fewer	Hedd Wyn (1992)
Richard Goodfield Creditor (as Richard Gooodfield) Creditor (as Richard Gooodfield) See fewer	The Proposition (1996)
Lowri Mae Nurse Nurse See fewer	Screen Two (1985)
Helen Veysey Police Operator (as Helen Veasey) Police Operator (as Helen Veasey) See fewer	The Secret Adventures of Tom Thumb (1993)
Phil Rowlands Reporter (as Philip Rowlands) Reporter (as Philip Rowlands) See fewer	Star Cops (1987)
Gruff Rhys Man on Bus (uncredited) Man on Bus (uncredited) See fewer	Set Fire to the Stars (2014)