Toby Stephens Samuel Petrukhin Actor Keeley Hawes Kathleen Shaw Actor Linus Roache Richard Shaw Actor Mark Bonnar Field Actor Lucy Cohu Miriam Petrukhin Actor Claire Bloom Aunt Mary Actor Gary Beadle Courtney Johnson Actor Toby Woolf Sasha Petrukhin Actor Suanne Braun Matron Jeffrey Actor Timothy Spall Lord Arthur Wallington Actor Molly Casey Ruth Actor Safiyya Ingar Shirley Actor Stephen Poliakoff Director, Writer Jean Holdsworth Producer Helen Flint Executive Producer