Britain's Greatest Codebreaker poster
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Britain's Greatest Codebreaker

6.020121h 24mMovieDocumentaryDramaHistory

Alan Turing is the genius British mathematician who was instrumental in breaking the German naval Enigma Code during World War II, arguably saving millions of lives. Turing's achievements went unrecognised during his lifetime. Instead he…

DirectorsClare Beavan·Nic Stacey
WriterCraig Warner
ProducersClare Beavan·Patrick Sammon

Where to watch

Magellan TVMagellan TV
Availability shown for Australia · rights vary by country

Cast · Directed by Clare Beavan

ESEd Stoppard
Ed Stoppard
Alan Turing
HGHenry Goodman
Henry Goodman
Franz Greenbaum
PMPaul McGann
Paul McGann
Himself - Narrator (voice)
AB
Asa Briggs
Himself - Codebreaker, Bletchley Park
JV
Jean Valentine
Herself - WRNS and Bombe Operator, Bletchley Park
DL
David Leavitt
Himself - Alan Turing's Biographer
RN
Rolf Noskwith
Himself - Codebreaker, Bletchley Park
DT
Dermot Turing
Himself - Alan Turing's Nephew
CM
Christopher Morcom
Himself - Christopher Morcom's Nephew (as Christopher Morcom QC)
ISIan Stewart
Ian Stewart
Himself - University of Warwick (as Professor Ian Stewart)

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Britain's Greatest Codebreaker — streaming FAQ

Which OTT platform streams Britain's Greatest Codebreaker?

Britain's Greatest Codebreaker is streaming on Magellan TV in Australia, and available to rent or buy on Google Play Movies and YouTube. It's not currently on Netflix.

Is Britain's Greatest Codebreaker on Netflix?

No, Britain's Greatest Codebreaker is not on Netflix in Australia as of September 2026. It's currently on Magellan TV.

Is Britain's Greatest Codebreaker on Amazon Prime Video?

No, Britain's Greatest Codebreaker isn't on Amazon Prime Video in Australia right now. It's on Magellan TV instead.

Where can I watch Britain's Greatest Codebreaker for free?

Britain's Greatest Codebreaker is available on Magellan TV in Australia, but you'll need an active subscription — there's no free option right now.

Is Britain's Greatest Codebreaker based on a true story?

Yes — Britain's Greatest Codebreaker is based on true events, dramatising real people and events (some details may be fictionalised for the screen).