Guest Stars Olivia Vinall as Julia Blythe Emma Cunniffe as Sydney Jennifer Hennessy as Bryony Beckett Anna Francolini as H.J. Keane Danny Ashok as Luke Strand Natalie Dew as Alisha Burman Yolanda Kettle as Joy Pelling Alice McMillan as Charlotte Hedge Kate Lamb as Lindsay Storm Adelle Leonce as Erika Amie Francis as Female Guard Tosh Wanogho-Maud as Husband Natasha Magigi as Kitchen Warden Deeivya Meir as Wife Melanie Wilder as Prisoner Simon Thorpe as First Reporter Olivia Morgan as Second Reporter