The series was commissioned in June 2019, with the announcement that
Jude Law was cast in the lead role.
Marc Munden was hired to direct the first three episodes, with
Dennis Kelly writing. In July,
Katherine Waterston,
Paddy Considine and
Emily Watson were added to the cast.
Naomie Harris and
John Dagleish were added in August, with
Philippa Lowthorpe hired to direct the final three episodes of the series. Kit de Waal and Dean O'Loughlin also joined Kelly to co-write two episodes. The series is set on
Osea Island and its causeway. Filming began on the series in July 2019 in the
United Kingdom in
Essex and
Kent. Production visited many locations in
Kent for filming, including Fog Signal Station at Dungeness, Allens Farm, Harty Ferry Road near Harty Ferry Inn in Swale, Walpole Bay Tidal Pool, St Clere Estate, Bedgebury National Pinetum Forest, Hever Castle, Grain Coastal Park on the
Isle of Grain, Chislehurst Caves and Shellness Beach on the
Isle of Sheppey. ==Release==