Peter Bowker Creator, Writer Julia Brown Lois Bennett Actor Yrsa Daley-Ward Connie Knight Actor Jonah Hauer-King Harry Chase Actor Tomasz Kot Stefan Tomaszeski Actor Agata Kulesza Maria Tomaszeski Actor Victoria Mayer Claudia Rossler Actor Ewan Mitchell Tom Bennett Actor Parker Sawyers Albert Fallou Actor Zofia Wichlacz Kasia Tomaszeski Actor Mateusz Więcławek Grzegorz Tomaszeski Actor Lesley Manville Robina Chase Actor Jonathan McGuinness Oswald Mosley Actor James Quinn Walter Smith Actor Charlie Creed-Miles David Walker Actor Eryk Biedunkiewicz Jan Tomaszeski Actor Bruce McGregor Lesley Dobbs Actor Borys Szyc Konrad Actor Bruno Alexander Klaus Rossler Actor Jack Cooper Stimpson George Grieves Actor Ansu Kabia Eddie Knight Actor Vladimír Skultéty Herman Actor Eugénie Derouand Henriette Guilbert Actor Max Riemelt Schmidt Actor Ahad Raza Mir Rajib Actor Mark Bonnar Sir James Danemere Actor Brian J. Smith Webster O'Connor Actor Sean Bean Douglas Bennett Actor Helen Hunt Nancy Campbell Actor Adam Smith Director Nickie Sault Producer