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Zal Batmanglij's Sound of My Voice follows documentary partners Peter and Lorna as they infiltrate a secretive group led by Maggie, a woman who says she has arrived from 2054. Their plan to expose her begins to fracture as Maggie's control deepens and the couple's trust in both the mission and each other erodes.
Brit Marling co-wrote the film with Batmanglij and plays Maggie opposite Christopher Denham and Nicole Vicius. The film premiered at Sundance in January 2011 and reached U.S. theaters on April 27, 2012; as checked October 29, 2026, its current Hulu and Sling pages require a separate Cinemax add-on, so no qualifying supported-provider offer is recorded.
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