Guest Stars Tom Glynn-Carney as George Thorne Frankie Fitzgerald as Thomas McBride Jacob James Beswick as Skelly Robert Wilfort as Kate Priestly Jade Croot as Thea Priestly Susan Hampshire as Sylvia Black Kate Anthony as Joyce Farrell Linal Haft as Vincent Farrell Amy Jai Thomas as Patent Nia Gwynne as Kate Priestly Louise Smith as Patient