Guest Stars Ruth Bradley as DI Karen Voss Thusita Jayasundera as Neha Patel QC Stephen Boxer as Dr. David Elster Ṣọpẹ́ Dìrísù as Fred Matthew Marsh as Lord Dryden Phil Dunster as Tristan Neil D'Souza as Steve Covell Will Payne as Ferdinand Gregory Floy as Bishop Naveed Khan as Imam Yasmine Akram as Audrey Ballard Sam Cassidy as Orange Eyes Philip Barantini as Paul Yinka Awoni as Paul Morgan Francis Magee as Tex Richard Syms as Fred Murphy Simon Snashall as Billy Warren Sollars as Arresting Police Officer Liv Austen as Gloria