Graham Hardacre

An amiable-looking investigator, with a sharp brain, Hardacre is a serving S.I.B. officer and former colleague of Strike’s, who calls him Oggy. He gives Strike vital information on the Lula Landry case (The Cuckoo’s Calling), and offers crucial, unofficial help during Strike’s search for the killer who sent a severed leg to the Denmark Street Office (Career of Evil).