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