Acting Liam McMahon Acting Who Goes There? The Outcast 2020 Agatha and the Truth of Murder Archie 2018 Take Down Croft 2016 '71 O'Brien 2014 The O'Briens Fionn O'Brien 2013 Hunger Gerry Campbell 2008 Northanger Abbey Sedley 2007 Living in Hope Liam 2002 Snatch Gypsy Man 2000 Agent-readable