Guest Stars Sarah Beattie as Olivia Spector Emmett J. Scanlan as Glen Martin David Beattie as Liam Spector Aisling Franciosi as Katie Benedetto Karen Hassan as Annie Brawley Siobhán McSweeney as Mary McCurdy Gerard Jordan as Brian Stone Nick Lee as Ned Callan Brian Milligan as James Tyler Ben Peel as James Olson Lisa Hogg as Marion Kay Séainín Brennan as Liz Tyler Paul Kennedy as Stephen Jennings Gerard McCarthy as Kevin McSwain Simon Delaney as Jerry McElroy Joanne Crawford as Joan Jennings Gemma McCorry as Alice Monroe Tara Egan Langley as Fiona