Guest Stars Elizabeth Dormer-Phillips as Carrie Morgan Ramon Tikaram as Tavrani Jessica Gunning as Shirley Allerdyce Darwin Brokenbro as Liam Sutter Michael Obiora as Max Cordero Chipo Chung as Trish Stoddart Jonjo O'Neill as Ciaran Donnelly Emil Hostina as Yuri Lubimov Lorcan Cranitch as DI Littlejohn Michael Luxton as Hyperbaric Chamber Medic