Undertow is Realm’s premier horror podcast channel, showcasing original works of elevated audio horror. Hosted by audio horror pioneer and creator, Fred Greenhalgh.

Golden Globe winner Joanne Froggatt stars as Police Sergeant Jackie O'Hara in The Harrowing.A once-in-a-century storm hits the remote Scottish Island of Toll Mòr. As the isolated community takes shelter, a barbaric crime sets off a chain of events which heralds the rise of an ancient evil and threatens to change the course of history.This 8-part supernatural thriller is created by acclaimed writer and director Mark Healy and produced by Storyglass.

Starring Joanne Froggatt, Alec Newman, Stewart Scudamore, Regé-Jean Page. Also Starring Sorcha Groundsell, Rosalind Eleazar, Adam James, Hilary Maclean, Blair Kincaid. Additional voices by Tom Crowley, Scarlett Maltman, Jamie Michie, Stuart Martin, Lewis Howden, Alex Graydon, Maya Graydon. 

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.

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