Paddy Considine character Inspector Whicher
Peter Capaldi character Samuel Kent
Tom Georgeson character Superintendent Foley
William Beck character Dolly Williamson
Emma Fielding character Mary Kent
Tim Pigott-Smith character Commissioner Mayne
Kate O'Flynn character Elizabeth Gough
Donald Sumpter character Peter Edlin QC
Ben Miles character Dr. Stapleton
Alexandra Roach character Constance Kent
Jay Simpson character George Redman
Peter Gordon character Holcombe
Charlie Hiett character William Kent
Sarah Ridgeway character Sarah Cox
Ben Crompton character William Nutt
Ruairi Conaghan character Benger