Netflix is deep into the post-production of the English adaptation of Kristoffer Metcalfe’s Twin, titled The Undertow. Jamie Dornan and Mackenzie Davis are playing the lead roles, and after an omission from the 2025 UK slate, we’re now expecting a 2026 release. We’re keeping track of everything you need to know about The Undertow , including cast news, production updates, trailers, and the Netflix release date.

The Undertow is an upcoming Netflix Original crime-noir series directed by Jeremy Lovering (In Fear) and written by the writing team Sarah Dollard (Doctor Who) , Hanna Jameson (author of The Last ), Scout Cripps (Little Racer) , and Kam Odedra (Ackley Bridge) . The series is based on Kristoffer Metcalfe’s Norwegian series Twin , which starred Game of Thrones

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