Guest Stars Sarah Beattie as Olivia Spector Emmett J. Scanlan as Glen Martin David Beattie as Liam Spector Karen Hassan as Annie Brawley Tara Lynne O'Neill as Martina Dean 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 Ian McElhinney as Morgan Monroe Chris Corrigan as Nash Brenda McNeill as Newsreader Séainín Brennan as Liz Tyler Gerard McCarthy as Kevin McSwain Simon Delaney as Jerry McElroy Eugene O'Hare as Aaron Monroe Lucy McConnell as Angelica Andy Moore as Terry McInturff Tobias Winter as Rossmeisl Julia Dearden as CC Goodhall Alex Romein as Lang Amanda Doherty as Klira Griffin Madill as Jarret Irma Mali as Angella Jill Crawford as Alison O'Brien