Guest Stars Alec Newman as Leon Tell Ross O'Hennessy as Locke Kyle Rees as Calo Caine Matthew Rhys as Gruffudd y Blaidd Brían F. O'Byrne as Baron Ventris James Rousseau as Denley Felix Scott as Maddox Matthieu Charneau as Frenchie Tim McDonnell as Huxley Martin McCann as Randolph Corbett Ifan Huw Dafydd as Jacob Nevitt Alun Raglan as Jonas the Collector Charlotte Mills as Eva Prichard Callum Griffiths as Rhys Prichard Rhys Downing as Aron Caine Ranaa Ghandour as Angel Child Llew Davies as Norton