Complete Unknown poster
Where to stream

Complete Unknown

5.220161h 30mRMovieDramaMysteryThriller

Tom’s birthday dinner party is turned upside down by the unexpected arrival of Alice, an old flame who changed her identity and vanished without a trace 15 years prior.

DirectorJoshua Marston
WritersJulian Sheppard·Joshua Marston
ProducersRobert Halmi Jr.·Lucas Joaquin

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with Ads
Availability shown for United States · rights vary by country

Cast · Directed by Joshua Marston

RWRachel Weisz
Rachel Weisz
Alice Manning
MSMichael Shannon
Michael Shannon
Tom Brayton
KBKathy Bates
Kathy Bates
Nina
DGDanny Glover
Danny Glover
Roger
MCMichael Chernus
Michael Chernus
Clyde Goodwin Jr.
AGAzita Ghanizada
Azita Ghanizada
Ramina Brayton
CLChris Lowell
Chris Lowell
Brad Brayton
DRDola Rashad
Dola Rashad
Sharon
TATessa Albertson
Tessa Albertson
Tilda
OMOmar Metwally
Omar Metwally
Farshad
KAKelly AuCoin
Kelly AuCoin
Dave
ZAZach Appelman
Zach Appelman
Malcolm

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More from Joshua Marston · Director

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Complete Unknown — streaming FAQ

Which OTT platform streams Complete Unknown?

Complete Unknown is streaming on Amazon Prime Video in United States. It's not currently on Netflix.

Is Complete Unknown on Netflix?

No, Complete Unknown is not on Netflix in United States as of September 2026. It's currently on Amazon Prime Video.

Is Complete Unknown on Amazon Prime Video?

Yes — Complete Unknown is included with an Amazon Prime Video subscription in United States as of September 2026.

Where can I watch Complete Unknown for free?

Complete Unknown is available on Amazon Prime Video in United States, but you'll need an active subscription — there's no free option right now.