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)
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)
Peter O'Toole Barry Newman Barry Newman See fewer	Lawrence of Arabia (1962)
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)
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)
Peter McNamara Colin Colin See fewer	Lassiter (1984)
Neil Caple Det. Chief Insp. Riggs Det. Chief Insp. Riggs See fewer	Far from the Madding Crowd (1998)
Toby Cockerell Jeweller's Assistant Jeweller's Assistant See fewer	Emmerdale Farm (1972)
Dave Duffy Keenan Keenan See fewer	In the Name of the Father (1993)
Steve Edison Duty Sgt. Sinclair Duty Sgt. Sinclair See fewer	Bloody New Year (1987)
Griff Harries Soldier (1992) Soldier (1992) See fewer	Last Summer (I) (2018)