Tom Burke Cormoran Strike Actor Holliday Grainger Robin Ellacott Actor Dorothy Atkinson Kathryn Kent Actor Tim McInnerny Daniel Chard Actor Monica Dolan Leonora Quine Actor Kerr Logan Matthew Cunliffe Actor Dominic Mafham Jerry Waldegrave Actor Natasha O'Keeffe Charlotte Campbell Actor Peter Sullivan Andrew Fancourt Actor Jeremy Swift Owen Quine Actor Lia Williams Liz Tassel Actor Sargon Yelda DI Anstis Actor Tamsin Topolski Ellie Fancourt Actor Catherine Bailey Jess Actor Sarah Gordy Orlando Quine Actor Harriet Green Policewoman Actor Waj Ali Policeman Actor Rachel Bell Edna Actor Kieron Hawkes Director J.K. Rowling Writer, Writer Tom Edge Writer Jackie Larkin Producer Ben Richards Executive Producer Neil Blair Executive Producer Ruth Kenley-Letts Executive Producer