Guest Stars Christopher Eccleston as Frank Carter Sara Stewart as Jane Olivera Kevork Malikyan as Amberiotis Rosalind Knight as Georgina Morley Peter Blythe as Blunt Joanna Phillips-Lane as Gerda / Helen Laurence Harrington as Henry Morley John Carlin as Dr Bennett Karen Gledhill as Gladys Neville Helen Norton as Julia Olivera