Guest Stars Chris O'Dowd as Himself Andrew Scott as Himself Dara Ó Briain as Himself Aisling Bea as Herself John Bishop as Himself Amy Huberman as Herself Jason Byrne as Himself Una Healy as Herself Hozier as Himself Conor McPherson as Himself Jennifer Zamparelli as Bridget Bernard O'Shea as Eamon The 2 Johnnies as Themselves