Sound of My Voice
- Jier: 2011
- Lân: United States of America
- Sjenre: Science Fiction, Drama, Mystery, Thriller, Horror
- Studio: Skyscraper Films
- Keyword: journalist, manipulation, hidden camera, teacher, school, los angeles, california, hand clapping game, cult leader, documentary filmmaking, oxygen tank, secret handshake
- Direkteur: Zal Batmanglij
- Cast: Brit Marling, Christopher Denham, Nicole Vicius, Davenia McFadden, Kandice Stroh, Richard Wharton