Agnes O’Casey), who goes undercover to help fight the alarming tide of hatred sweeping through England — its flames stoked by neo-Nazi leader Colin Jordan, a real-life historical figure played here by Rory Kinnear who features prominently in Jo Bloom’s 2014 novel “Ridley Road,” from which the series is adapted. When “Ridley Road” opens Vivien, 23, is living north of London in industrial Manchester with her parents (her father, David, owns a tailor shop) and her cousin, Roza (Julia Krynke), who survived the Holocaust in Europe.
