Seizo Kato (1927 — 2014) was a voice actor best known for voicing deep voiced adult men such as:
- Ittetsu Hoshi in Kyojin no Hoshi.
- Dai Satan in Kyoryu Sentai Zyuranger
- Star King Bazoo in Dengeki Sentai Changeman
- Emperor Zeba in Hikari Sentai Maskman
- General Jark in Kamen Rider Black RX
- Alien Mephilas in Ultraman and Ultraman Mebius (40 years later!)
- The Great and Powerful Oz in The Wonderful Wizard of Oz
- Shere Khan in The Jungle Book
- Megatron/Galvatron in the Japanese dubs of The Transformers and Transformers the Movie, as well as Transformers Headmasters and Dream Mix TV World Fighters