Guest Stars Benedict Smith as Richard Walker Andrew Lee Potts as Michael Summerby Glynis Barber as Dora Hills Michael Fassbender as Douglas Nesbitt James Musgrave as Mark Harrogate Claire Bloom as Helen Masters Carey Mulligan as Emily Harrogate Nadia Cameron-Blakey as Diedre Harrogate Greg Wise as John Harrogate Rachel Davies as Ellen Summerby Max Benitz as James Harrogate
