Guest Stars Jessica Raine as Julia Sebastian Maltz as Young Patrick Anna Madeley as Mary Celia Imrie as Kettle Blythe Danner as Nancy Eileen Walsh as Annette Guy Paul as Cousin Henry Marcus Smith as Robert Melrose Dainton Anderson as Thomas Melrose Jonjo O'Neill as Seamus Dourke Declan Rodgers as Kevin Georgia Goodman as Claudine Dixie Egerickx as Lucy
