First broadcast 15th January 2024.<br /><br />The team pieces together the mystery of a man found dead on the shore of the Thames, while the life of a disgruntled criminology professor begins to unravel.<br /><br />Emilia Fox -Dr. Nikki Alexander<br />David Caves - Jack Hodgson<br />Aki Omoshaybi - Professor Gabriel Folukoya<br />Alastair Michael - Velvy Schur<br />John Thomson - DI Warren Bull<br />Kevin McNally - Professor Peter Cherry<br />Rhiannon Jones - Cara Connelly (as Rhiannon May)<br />Ashley Margolis - Haidar Alam<br />Isobel Wood - Celeste Locke<br />Maeve Courtier-Lilley - Vanessa<br />Kaye Wragg - Valerie Fullerton<br />Emily Piggford - Professor Elizabeth Newport<br />Richard Keep - Harrison Cairney<br />Harry Lister Smith - Ryan King<br />James Craze - Roy<br />Diveen Henry - Elaine<br />Julie Jupp - Woman with Dog<br />Nicholas McCluskey - Student Protester<br />Bern Collaço - Police Officer<br />Mens-Sana Tamakloe - Boxer
