Kazato Tomizawa is a Japanese voice actor and former child actor born on May 17, 1996. He began his career in the entertainment industry as a child, and his experience working professionally alongside adults during this time left a strong impression on him, ultimately influencing his decision to pursue voice acting. In 2022, he passed the Sigma Seven audition and became affiliated with Sigma Seven e in 2023.

Tomizawa is primarily known for his roles in several acclaimed animated films. One of his earliest and most significant performances was providing the voice for the titular character, Coo, in the 2007 animated film Summer Days with Coo. He continued his collaboration with director Keiichi Hara, voicing the role of Ippei in the 2009 film Mai Mai Miracle. The following year, he took on the lead role of Makoto Kobayashi in another of Hara's films, the 2010 feature Colorful. His work in these films showcases a focus on nuanced, dramatic performances in prominent animated features.

In addition to his film work, Tomizawa has voiced characters in television anime. He played the role of Acra in the 2009 series The Tower of Druaga: The Sword of Uruk. His other television credits from his child acting period include a role as V.V. in Code Geass: Lelouch of the Rebellion R2. He has also contributed voice work to video games, such as providing additional voices for Final Fantasy XIII.