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About Sigma Seven
is a Japanese talent management firm representing a fair number of voice actors and entertainers. Founded on March 3, 1988, Sigma Seven is headquartered on the third floor of the Haga Building in Minato, Tokyo, Japan.
Everything about Sigma Seven →- Country
- Japan
- Headquarters
- Tokyo
- Inception
- 1988
- Website
- http://www.sigma7.co.jp/