Film
Where to watch The Duchess
Based on the incredible true story.
A chronicle of the life of 18th century aristocrat Georgiana, Duchess of Devonshire, who was reviled for her extravagant political and personal life.
Where to watch
Streaming
MGM+PhiloYouTube TVfuboTV
Availability checked 2026-09-20. US only, powered by JustWatch via TMDB. Provider links open that service’s own search — our source supplies one link per title, not per provider, so these are searches rather than deep links.
On: MGM+
Cast
- Keira KnightleyGeorgiana Cavendish, Duchess of Devonshire
- Ralph FiennesDuke of Devonshire
- Charlotte RamplingLady Spencer
- Dominic CooperCharles Grey
- Hayley AtwellBess Foster
- Simon McBurneyCharles Fox