The minister, his mistress, and her lover the spy. The story of the woman at the centre of one of the 20th century's biggest scandals – which changed Britain forever.
Sophie Cookson
James Norton
Ellie Bamber
Ben Miles
Emilia Fox
Michael Maloney
Rosalind Halstead
Anthony Welsh
Nathan Stewart-Jarrett
Anton Lesser
William Gaminara
Tim McInnerny
Paul Ryan
Visar Vishka
Jack Greenless
Dorian Lough
Sam Crane