|This article is about a/an voice actor in the Super Sentai series.|
Seizō Katō (加藤 精三 Katō Seizō) was a voice actor with several roles in tokusatsu productions.
His most notable roles in Sentai were as several leaders, including Star King Bazoo (Dengeki Sentai Changeman), Earth Emperor Zeba (Hikari Sentai Maskman) and Great Satan (Kyoryu Sentai Zyuranger). Outside of Sentai, he is best-known as the original Japanese voice of Megatron and Galvatron in Transformers.
On January 17, 2014, Seizo passed away from his long battle with bladder cancer. He was 86 years old.
- Black Mask Monster in Battle Fever J
- Star King Bazoo in Dengeki Sentai Changeman
- Earth Emperor Zeba in Hikari Sentai Maskman
- Galactic Super Beast Vulgyre in Chikyu Sentai Fiveman
- Great Satan in Kyōryū Sentai Zyuranger
- QQ Kyuutan in Gekisou Sentai Carranger
- Helmedor in Denji Sentai Megaranger vs. Carranger
- Captain Gregory in Seijuu Sentai Gingaman vs. Denji Sentai Megaranger
- Ultimate Org Hyakkimaru in Hyakujuu Sentai Gaoranger
- Evil Will in Ninpuu Sentai Hurricaneger
- Detective Chou (Teranian Chou San) in Tokusou Sentai Dekaranger