National Theatre Live: The Authenticator poster
Where to stream

National Theatre Live: The Authenticator

2026MovieDrama

Soon after inheriting her family's stately home, eccentric artist Fenella Harford discovers a stash of hidden diaries and enlists a young academic, Marva, to confirm their authenticity. Joined by Marva’s brilliant but overlooked mentor,…

DirectorMiranda Cromwell
WriterWinsome Pinnock
ProducerTracey Low

Where to watch

Expected on OTT
around August 18, 2026

Released in cinemas on June 30, 2026. A prediction based on the typical 6–8 week theatrical-to-streaming window — not a confirmed date. Get the WhichOTT app to be notified the moment it lands.

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Cast · Directed by Miranda Cromwell

RARakie Ayola
Rakie Ayola
Abi
STSylvestra Le Touzel
Sylvestra Le Touzel
Fen
CSCherrelle Skeete
Cherrelle Skeete
Marva
PCPhoebe Campbell
Phoebe Campbell
Ghost Bride (voice)
NM
Nuala McGovern
Radio Presenter (voice)

More from Rakie Ayola · Lead actress

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More from Sylvestra Le Touzel · Co-star actress

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See all fromSylvestra Le Touzel

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National Theatre Live: The Authenticator — streaming FAQ

Which OTT platform streams National Theatre Live: The Authenticator?

National Theatre Live: The Authenticator isn't streaming anywhere in United States yet.

Is National Theatre Live: The Authenticator on Netflix?

No, National Theatre Live: The Authenticator is not on Netflix in United States as of September 2026.

Is National Theatre Live: The Authenticator on Amazon Prime Video?

No, National Theatre Live: The Authenticator isn't on Amazon Prime Video in United States right now.

Where can I watch National Theatre Live: The Authenticator for free?

National Theatre Live: The Authenticator isn't streaming in United States yet, so there's no way to watch it free at the moment.

What is the OTT release date for National Theatre Live: The Authenticator?

National Theatre Live: The Authenticator hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around August 18, 2026. This is a prediction, not a confirmed date.