With the stranger and the girl missing, Jackie has to tell the islanders what has happened and enlist their help conducting a search. The Harrowing is written by Mark Healy and stars Joanne Froggatt as Sergeant Jackie O'Hara. Episode 4 also features: Reporter 1 - Tom Crowley Reporter 2 - Blair Kincaid Father McKenna - Alec Newman Reporter 3 - Hilary Maclean Ian Sullivan - Lewis Howden Inspector Carey - Rosalind Eleazar Alan Forbes - Stuart Martin Mr Pryor - Adam James Kai - Stewart Scudamore Twig - Sorcha Groundsell Ewan MacFarlane - Jamie Michie Other roles were played by the cast Sound design is by Rich Evans and photography by Helen Murray. The executive producers are Robert Delamere and Sarah Doole and the series is produced by Ben Walker for Storyglass.   See acast.com/privacy for privacy and opt-out information.