Guest Stars Conor Mullen as Frank Ahern Carrie Crowley as Mairead Noonan Justine Mitchell as Elaine Lynch Elijah O'Sullivan as Jacob Dwyer Éanna Hardwicke as Joe Ryan James O'Donoghue as Calum Dwyer Hazel Doupe as Ingrid Jensen Dean Fagan as Finn Ahern Ayoola Smart as Cathy Cregan Hilary Rose as Alanna Hutchins Hugh O'Conor as Dr. Kevin Lochlainn O'Mearáin as Rory Dwyer Clodagh O'Rourke as Baby Nell Ayana Welby as Baby Noah Kevin McGahern as Michael Foley Maria McDermottroe as Imelda Cathal Greene as Andy Dillon Barry Barnes as Tommy Hehir Anaïs Rizzo as Bookshop Assistant Cian Hughes as Andy's Mate Mike Scanlon as AA Group Leader