a lunatic asylum, to question Gann's grandfather, where his suspicions lead to a fresh grave being reopened but without finding the body he expects to be found hidden in it. Shaken by his failure and convinced that he no longer possesses the skills necessary to solve the crime Whicher decides to give up the investigation but then discovers a new clue after Mary Drew’s funeral when he finds Stephen Gann at Mary's grave. Whicher seems to be close to solving the case and returns to the asylum where he is accused of being mentally unstable and after a struggle is strapped into a straitjacket and locked up at the instigation of Dr Casement (Alistair Petrie) and Inspector Lock. Stephen Gann's grandfather is also an inmate in the asylum. He finally reveals the identity of Susan Spencer's father's murderer. It was his other son, Gann's wealthy uncle, Thomas, who was also the father of Mary Drew. Whicher makes his escape and confronts those responsible for her murder in a chilling finale. Cast Paddy Considine ... Inspector Jack Whicher Olivia Colman ... Susan Spencer William Beck ... Chief Inspector 'Dolly' Williamson Tim Pigott-Smith ... Commissioner Mayne Shaun Dingwall ... Inspector George Lock William Postlethwaite ... Stephen Gann Mark Bazeley ... Thomas Gann Sean Baker ... Joshua Gann Alistair Petrie ... Dr. Casement Joanna Jeffrees ... Nursemaid Siobhan O'Neill ... Housemaid Asher Kemp ... Baby Stephen Justine Mitchell ... Sister Anne Nancy Carroll (British actress) ... Charlotte Sam Barnard ... Robert Justin Edwards ... Rev. Marlow Jody Halse ... Clarence Shaw Andy Gathergood ... Sergeant Parker James Wilson ... Pickpocket Youth Brett Allen ... Landlord Neal Barry ... Finch Tom Padley ... Pub Bystander Carolyn Tomkinson ... Creed's Woman Nick Caldecott ... Dr. Drake Mark Kempner ... Toby The Suspicions of Mr Whicher: Beyond the Pale Synopsis Mr Whicher is approached by Sir Edward Shore MP, who had been Home Secretary when Whicher was dismissed from the police force (he signed the dismissal letter). Sir Edward wants Whicher to look into threats made against his son Charles, who has recently returned to London from India with his wife and children. Charles is being pursued by Asim Jabour, an Indian seeking money or revenge, now passing as a lascar (Indian sailor) in the Docklands. Sir Edward wants the affair dealt with secretly, not by the police. But then Asim is found murdered, and Whicher