Where to stream

Complete Unknown

5.120161h 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

Sundance Now Amazon Channel

Sundance Now Amazon Channel

Sundance Now Apple TV Channel

Sundance Now Apple TV Channel

Availability shown for Canada · rights vary by country

Cast · Directed by Joshua Marston

Rachel Weisz

Michael Shannon

Michael Shannon

Kathy Bates

Danny Glover

Michael Chernus

Michael Chernus

Clyde Goodwin Jr.

Azita Ghanizada

Azita Ghanizada

Chris Lowell

Dola Rashad

Tessa Albertson

Tessa Albertson

Omar Metwally

Kelly AuCoin

Zach Appelman

More like this

Cleaner

The Good Doctor

The Good Doctor

Triage

The Ritual Killer

The Ritual Killer

Suburbicon

All the Devils Are Here

All the Devils Are Here

The Infernal Machine

The Infernal Machine

Trigger Point

The Operative

Run

Hunting Season

The Black Book

Complete Unknown — streaming FAQ

Which OTT platform streams Complete Unknown?

Complete Unknown is streaming on Sundance Now in Canada, and available to rent or buy on Apple TV Store and Google Play Movies. It's not currently on Netflix.

Is Complete Unknown on Netflix?

No, Complete Unknown is not on Netflix in Canada as of August 2026. It's currently on Sundance Now.

Is Complete Unknown on Amazon Prime Video?

No, Complete Unknown isn't on Amazon Prime Video in Canada right now. It's on Sundance Now instead.

Where can I watch Complete Unknown for free?

Complete Unknown is available to stream free (with ads) on Hoopla and Tubi TV in Canada.