Castles in the Sky poster
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Castles in the Sky

6.020141h 30mMovieDramaHistoryTV Movie

England, while the storm clouds of Nazism menace Germany. Robert Watson Watt and a team of eccentric and brilliant meteorologists struggle to turn the mere idea of radar into a functional reality.

DirectorGillies MacKinnon

Where to watch

KanopyKanopy
Availability shown for United States · rights vary by country

Cast · Directed by Gillies MacKinnon

SISuzy Eddie Izzard
Suzy Eddie Izzard
Robert Watson Watt
LFLaura Fraser
Laura Fraser
Margaret Watson Watt
LHLesley Harcourt
Lesley Harcourt
Secretary Helen
AJAlex Jennings
Alex Jennings
Henry Tizard
DHDavid Hayman
David Hayman
Frederick Lindemann
JRJulian Rhind-Tutt
Julian Rhind-Tutt
Albert Rowe
KDKarl Davies
Karl Davies
Arnold 'Skip' Wilkins
CJCelyn Jones
Celyn Jones
Edward 'Taffy' Bowen
IMIain McKee
Iain McKee
Higgy
TMTim McInnerny
Tim McInnerny
Winston Churchill

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Castles in the Sky — streaming FAQ

Which OTT platform streams Castles in the Sky?

Castles in the Sky is streaming on Kanopy in United States, and available to rent or buy on Amazon Video. It's not currently on Netflix.

Is Castles in the Sky on Netflix?

No, Castles in the Sky is not on Netflix in United States as of September 2026. It's currently on Kanopy.

Is Castles in the Sky on Amazon Prime Video?

Castles in the Sky isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch Castles in the Sky for free?

Castles in the Sky is available to stream free (with ads) on Kanopy in United States.