Guest Stars Sarah Beattie as Olivia Spector Valene Kane as Rose Stagg David Beattie as Liam Spector Aisling Franciosi as Katie Benedetto Tara Lynne O'Neill as Martina Dean Karen Hassan as Annie Brawley Siobhán McSweeney as Mary McCurdy Gerard Jordan as Brian Stone Brian Milligan as James Tyler Ben Peel as James Olson Lisa Hogg as Marion Kay Séainín Brennan as Liz Tyler Chris Corrigan as Nash B.J. Hogg as Ian Kay Simon Delaney as Jerry McElroy Lucy McConnell as Angelica Patrick O'Kane as Charles Chandler Faolan Morgan as Dr. Grimes Sinead Murphy as Vicky Olsen William Willoughby as Joseph Brawley