Name	Known for
Sam Waterston Dr. Karl Koster Dr. Karl Koster See fewer	The Killing Fields (1984)
Mia Farrow Doris Koster Doris Koster See fewer	Rosemary's Baby (1968)
Justin Whalin Henrik Koster Henrik Koster See fewer	Child's Play 3 (1991)
Patrick Malahide Georg Duckwitz Georg Duckwitz See fewer	The World Is Not Enough (1999)
Benedick Blythe Gen. Werner Best Gen. Werner Best See fewer	The King's Man (2021)
Barry McGovern Rabbi Ben Abrams (as Barry M. McGovern) Rabbi Ben Abrams (as Barry M. McGovern) See fewer	Braveheart (1995)
Daisy Beaumont Hannah Abrams Hannah Abrams See fewer	The World Is Not Enough (1999)
Nicola Mycroft Else Koster Else Koster See fewer	Seed of Chucky (2004)
Alan Devine Jorgen Jorgen See fewer	King Arthur (2004)
Mario Rosenstock Major Langer Major Langer See fewer	The Mario Rosenstock Show (2012)
Halina Froudist Ruth Abrams Ruth Abrams See fewer	The Abduction Club (2002)
Andrew Scott Michael Grunbaum Michael Grunbaum See fewer	All of Us Strangers (2023)
Eva Birthistle Karin Karin See fewer	Imagine Me & You (2005)
Sharon Hogan Ingrid Jensen Ingrid Jensen See fewer	The Abduction Club (2002)
Conor Evans Ole Hansen Ole Hansen See fewer	Evelyn (2002)
Peter Warnock Adjudant Adjudant See fewer	Lady in the Park (2016)
Paul Kennedy Sgt. Schmidt Sgt. Schmidt See fewer	Yesterday's Children (2000)
Joe Pilkington Stig Flender Stig Flender See fewer	The Riordans (1965)
Leonard Fenton Magnus Abrams Magnus Abrams See fewer	Shine on Harvey Moon (1982)
Brendan Cauldwell Isaac Levy Isaac Levy See fewer	Far and Away (1992)
Susie Coakley Margareta Lundstrom Margareta Lundstrom See fewer	The Wonderful World of Disney (1997)
Gary Cooke Arne Arne See fewer	Apres Match (1994)
Robert Boyd Maintenance Man Maintenance Man See fewer	What Matters Most (2001)
Des Braiden Pastor Lange Pastor Lange See fewer	King Arthur (2004)
Robert Byrne Cpl. Strasser Cpl. Strasser See fewer	Every Woman Has a Fantasy (1984)
Frank Coughlan Synagogue Sceptic Synagogue Sceptic See fewer	Far and Away (1992)
Michael Ford Lerman Lerman See fewer	Kill Line (1990)
David Heap Lt. Keller Lt. Keller See fewer	Byzantium (2012)
Frank Kelly Stranger Stranger See fewer	Father Ted (1995)
Brendan Laird Sgt. Hauser Sgt. Hauser See fewer	The Dawning (1988)
Peadar Lamb Minister Minister See fewer	Far and Away (1992)
Bongi McDermott School Teacher School Teacher See fewer	Space Truckers (1996)
James McHale 1st Policeman 1st Policeman See fewer	Game of Thrones (2011)
Al McKenna 2nd Policeman 2nd Policeman See fewer	Inside (1985)
Karl O'Neill Hospital Orderly Hospital Orderly See fewer	A Shine of Rainbows (2009)
Paul Roe Sgt. Strohm Sgt. Strohm See fewer	Sing Street (2016)
Stephen Rooney Male Student Male Student See fewer	Richard III (1983)
Eddie Tighe Third Student Third Student See fewer	Glenroe (1983)
Peter Vollebregt Sgt. Heinrich Kemp Sgt. Heinrich Kemp See fewer	EastEnders (1985)
Renee Weldon Female Student Female Student See fewer	Anchorman: The Legend of Ron Burgundy (2004)
Aenne Barr General Best's Secretary General Best's Secretary See fewer	Wolfe (2021)
Frank Coughlin Synagogue Sceptic Synagogue Sceptic See fewer	The Wonderful World of Disney (1997)
Anna O'Carroll Child Child See fewer	Linger (I) (2021)
Christian O'Carroll Student Resistance Student Resistance See fewer	The Wonderful World of Disney (1997)