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An Unknown Substance

English. Directed by Steven Leckart.

Vladimir Kara-Murza is a prominent Russian opposition politician and Pulitzer Prize-winning journalist who survived two near-fatal poisonings before being sentenced to 25 years in prison after speaking out against Russia’s invasion of Ukraine. This documentary short follows his wife, Evgenia Kara-Murza, during his imprisonment as she mounts a global campaign to bring him home and ensure that his voice would not be silenced.

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Runtime
0h 38m
Post-credits
Not out yet
Language
English
Rated
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Released
Country
United States of America, United Kingdom

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An Unknown Substance runs 38 minutes (0h 38m).

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An Unknown Substance hasn’t released yet, so it isn’t on any OTT platform. (Checked 9 November 2026.)

What movies are like An Unknown Substance?

If you liked An Unknown Substance, try Directed by John Ford, A Toxic Love Story, Drew: The Man Behind the Poster.

Who directed An Unknown Substance?

An Unknown Substance was directed by Steven Leckart.

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