Name	Known for
Jason Isaacs Frank Dillon Frank Dillon See fewer	Harry Potter and the Chamber of Secrets (2002)
Peter Howitt Steve Harris Steve Harris See fewer	Sliding Doors (1998)
Eddie O'Connell Jimmy Hammond (as Edward O'Connell) Jimmy Hammond (as Edward O'Connell) See fewer	Absolute Beginners (1986)
Elizabeth Rider Susie Dillon Susie Dillon See fewer	Line of Duty (2012)
Shirley Stelfox Helen Helen See fewer	1984 (1984)
Caleb Lloyd Kenny Dillon Kenny Dillon See fewer	My Good Friend (1995)
Bobby Coombes Phil Dillon Phil Dillon See fewer	Civvies (1992)
Lennie James Cliff Morgan Cliff Morgan See fewer	The Walking Dead (2010)
Seamus O'Neill Harry Travers Harry Travers See fewer	Dead Man's Shoes (2004)
John H. Francis Taffy Davies (as John Francis) Taffy Davies (as John Francis) See fewer	Robin Hood: Prince of Thieves (1991)
Gareth Marks Wally Simpkins Wally Simpkins See fewer	Bridget Jones's Diary (2001)
David J. Nicholls Johnny Blair (as David J. Nichols) Johnny Blair (as David J. Nichols) See fewer	Muppet Treasure Island (1996)
Michael Carter Arnie Arnie See fewer	Star Wars: Episode VI - Return of the Jedi (1983)
Terry O'Neill Tony Malone Tony Malone See fewer	The League of Extraordinary Gentlemen (2003)
Sharon Hinds Shirley Banks Shirley Banks See fewer	Melissa (1997)
Joanna Mays Trudie Trudie See fewer	How to Get Ahead in Advertising (1989)
Bhasker Patel Marway (as Bhasker) Marway (as Bhasker) See fewer	Thunderbirds (2004)
Aingeal Grehan Irish Woman Farmer Irish Woman Farmer See fewer	Mad About Mambo (2000)
Michael Liebmann Ronan Shaw Ronan Shaw See fewer	Civvies (1992)
Eileen Pollock Kathleen (as Eilean Pollack) Kathleen (as Eilean Pollack) See fewer	Far and Away (1992)
Lynne Verrall Woman Neighbour Woman Neighbour See fewer	Screenplay (1986)
Vincent Higgins Priest Priest See fewer	Mickybo and Me (2004)
Mark McKenna Photographer Photographer See fewer	EastEnders (1985)
Gerard Crossan Young Irish Boy Young Irish Boy See fewer	Bloody Sunday (2002)
Dafydd Palfrey Billy Newman Billy Newman See fewer	Hei Hanes (2022)
Simon Coady Radio Operator Radio Operator See fewer	The Man with Two Heads (1972)
Griff Harries Soldier Soldier See fewer	Last Summer (I) (2018)