Catherine Delestre
Mariah
Movie
Watch What They Don't Know (2026) Online
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Synopsis
“Some Secrets Are Dangerous”
A married woman who seeks passion outside her stagnant marriage and is pulled into a secret world of deception.
Cast
Top Billed Cast
No photo Charles Huggins
Devon
No photo Tracy Leuna
Dr. Lindsey
Keon Rahzeem Mitchell
Jacob
Famecia Ward
Dakota
Availability
Where To Watch Legally
Tubi TV
Amazon VideoRecommended
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FAQ
Frequently Asked Questions
Is What They Don't Know available to watch online?
Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.
What year was What They Don't Know released?
What They Don't Know was released in 2026.
How long is What They Don't Know?
What They Don't Know has a runtime of 1h 54m.
What genre is What They Don't Know?
What They Don't Know is classified as Thriller.