Peter Bowker Creator, Writer, Executive Producer Julia Brown Lois Bennett Actor Yrsa Daley-Ward Connie Knight Actor Jonah Hauer-King Harry Chase Actor Arthur Darvill Vernon Hunter Actor Ewan Mitchell Tom Bennett Actor Parker Sawyers Albert Fallou Actor Brian J. Smith Webster O'Connor Actor Victoria Mayer Claudia Rossler Actor Max Riemelt Schmidt Actor Zofia Wichlacz Kasia Tomaszeski Actor Mateusz Więcławek Grzegorz Tomaszeski Actor Sean Bean Douglas Bennett Actor Lesley Manville Robina Chase Actor Helen Hunt Nancy Campbell 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 Nickie Sault Producer Chanya Button Director Chris Clough Producer Damien Timmer Executive Producer Helen Ziegler Executive Producer Lucy Richer Executive Producer Rebecca Eaton Executive Producer Peter Nadermann Executive Producer