Cormoran Strike Cormoran Strike will be the TV adaptation of detective novels written by Robert Galbraith aka J. K. Rowling.This will be broadcasted in BBC One. in mid 2017. The series is named after the protagonist of the novels. The books : The Cuckoo’s Calling (3x60 minutes), The Silkworm (2x60 minutes) and Career Of Evil (2x60 minutes) episodes respectively. The Main cast : Tom Burke as Cormoran Strike Holliday Grainger as Robin Elliott Filming has already started, and here is a picture from the official Facebook page : Spoiler: Image