Guest Stars Emmett J. Scanlan as Kieran Aaron McCusker as Martin Hannah Adeogun as Ella Dearbhla Molloy as Vera Mark Lambert as Bernard Valene Kane as Siobhan Amanda Hurwitz as Deirdre John Olohan as Gerry Luke Griffin as Seamus Brona C. Titley as Dog Breeder Liz Fitzgibbon as Customer