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What?

5.319721h 54m18MovieComedy

A young American woman traveling through Italy finds herself in a strange Mediterranean villa where nothing seems quite right.

DirectorRoman Polanski
WritersGérard Brach·Roman Polanski
ProducerCarlo Ponti

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with AdsAmazon Prime Video Free with AdsAmazon Prime Video Free with AdsPlexPlex
Availability shown for United Kingdom · rights vary by country

Cast · Directed by Roman Polanski

MMMarcello Mastroianni
Marcello Mastroianni
Alex
SRSydne Rome
Sydne Rome
Nancy
HGHugh Griffith
Hugh Griffith
Joseph Noblart
GAGuido Alberti
Guido Alberti
Priest
HSHenning Schlüter
Henning Schlüter
Catone
GP
Gianfranco Piacentini
Tony
CB
Christiane Barry
Dresser
PTPietro Tordi
Pietro Tordi
Man-Servant
MGMogens von Gadow
Mogens von Gadow
German
DHDieter Hallervorden
Dieter Hallervorden
German
RVRomolo Valli
Romolo Valli
Giovanni
RPRoman Polanski
Roman Polanski
Mosquito

More from Marcello Mastroianni · Lead actor

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More from Sydne Rome · Co-star actress

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More from Roman Polanski · Director

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What? — streaming FAQ

Which OTT platform streams What??

What? is streaming on Amazon Prime Video, Amazon Prime Video Free and Plex in United Kingdom, and available to rent or buy on Amazon Video. It's not currently on Netflix.

Is What? on Netflix?

No, What? is not on Netflix in United Kingdom as of September 2026. It's currently on Amazon Prime Video and Amazon Prime Video Free.

Is What? on Amazon Prime Video?

Yes — What? is included with an Amazon Prime Video subscription in United Kingdom as of September 2026.

Where can I watch What? for free?

What? is available to stream free (with ads) on Amazon Prime Video Free and Plex in United Kingdom.