Tom Burke Cormoran Strike Actor Holliday Grainger Robin Ellacott Actor Kerr Logan Matthew Cunliffe Actor Jonas Armstrong Saul Morris Actor Linda Bassett Joan Nancarrow Actor Fionnula Flanagan Oonagh Kennedy Actor Sutara Gayle Kim Sullivan Actor Abigail Lawrie Margot Bamborough Actor Ruth Sheen Pat Chauncey Actor J.K. Rowling Writer, Executive Producer Jackie Larkin Producer Ben Richards Executive Producer Neil Blair Executive Producer Ruth Kenley-Letts Executive Producer Tom Edge Writer Susan Tully Director Alexander Rendell Producer