Sean Bean

as John Marlott

12 episodes

Richie Campbell

as Joseph Nightingale

12 episodes

Ed Stoppard

as Lord Daniel Hervey

12 episodes

Tom Ward

as Sir Robert Peel

12 episodes

Eloise Smyth

as Flora

9 episodes

Vanessa Kirby

as Lady Jemima Hervey

7 episodes

Anna Maxwell Martin

as Mary Shelley

6 episodes

Samuel West

as Sir William Chester

6 episodes

Kate Dickie

as Mrs Bishop

6 episodes

Frank Blake

as Constable Bircher

6 episodes

Martin McCann

as Renquist

6 episodes

Guy Henry

as Dean of Westminster

6 episodes

Laurence Fox

as Frederick Dipple

6 episodes

Maeve Dermody

as Esther Rose

6 episodes

Paul Kennedy

as Inspector Treadaway

6 episodes