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