Toby Stephens Samuel Petrukhin Actor Linus Roache Richard Shaw Actor Keeley Hawes Kathleen Shaw Actor Mark Bonnar Field Actor Lucy Cohu Miriam Petrukhin Actor Claire Bloom Aunt Mary Actor Ronald Pickup Walter Actor Gary Beadle Courtney Johnson Actor Toby Woolf Sasha Petrukhin Actor Greg Austin Anthony Shaw Actor Cathy Murphy Doreen Actor Molly Casey Ruth Actor Stephen Poliakoff Director, Writer Jean Holdsworth Producer Helen Flint Producer