Guest Stars Cathy Belton as Norah Dillon Aaron Monaghan as Detective Sean Prendergast Charlie Carrick as James Melnick Wouter Hendrickx as Commissioner Christian De Jong Kwaku Fortune as Josh Ola Gilles De Schryver as Vince Thijs Steve Geerts as Viktor Maes Maya Albert as Mila Albert Davin McElherron as Arthur Melnick Bert Kettermans as Aubrey Cline Karine Vanasse as Frances Swann Caroline Stas as DSU Unit Leader Natali Broods as Isobel Delvey Eva Kamanda as Passent Hussein Natalya Strutsenko as Teodora Babic Teli Jalloh as CTU Julien Arend Pinoy as Detective Matis Blanchet Valentijn Dhaenens as Gordon Hearst Jean Janssens as Swann's Assistant Sari-Lynn Kerkhofs as Chesa James Reade Venable as Henry Dorris Brian Doherty as Mark Dorgan Johan Knuts as Wilfried Lippens Elise van Lil as Office Manager Berktan Yurdover as Thomas Fellani Credit Only Jane Brennan as Eileen Gately: CAB Chief