Name	Known for
Sylvan Baker Jeff Jeff See fewer	Space Truckers (1996)
Kara Bowman Henrietta Henrietta See fewer	Bullet to the Head (2012)
Sean Caffrey Mr Logan Mr Logan See fewer	Doctor Who (1963)
Theresa Carson Marie-Therese Marie-Therese See fewer	Screen Two (1984)
Clair Dobbin Sandra Sandra See fewer	Screen Two (1984)
Shaun Doherty Mike Mike See fewer	High Boot Benny (1993)
Michael Gregory Tom Tom See fewer	General Hospital (1963)
John Hewitt George Begley George Begley See fewer	The Boxer (1997)
B.J. Hogg Uncle Jerry Uncle Jerry See fewer	Hunger (2008)
Simon Magill Mr Brady Mr Brady See fewer	Distortion (II) (2021)
Margaret McCann Angela Dougan Angela Dougan See fewer	Wild About Harry (2000)
Joe McPartland Uncle Jack Uncle Jack See fewer	In the Name of the Father (1993)
Cheryl O'Dwyer Finn Finn See fewer	Screen Two (1984)
Sheelagh O'Kane Catherine Catherine See fewer	Mickybo and Me (2004)
Craig Stepp Mr Harrison (as Alan Craig) Mr Harrison (as Alan Craig) See fewer	Mixed-ish (2019)