
Acting
Seizō Katō (加藤 精三, Katō Seizō; February 14, 1927 – January 17, 2014) was a Japanese actor, voice actor and narrator who worked for Haikyo (Tokyo Actor's Consumer's Cooperative Society).
Kato was born in Tokyo. He was noted for his role as Megatron and Galvatron from the 1st Transformers series until Transformers: The Headmasters. He also did the ADR for Takeshi Katō's character in Akira Kurosawa's Ran after the original actor had become injured.
He died of bladder cancer at a hospital in Itabashi, Tokyo on January 17, 2014 at age 86.
Description above from the Wikipedia article Seizō Katō, …

Detective Conan: The Raven Chaser
2009

Detective Conan: Love Story at Police Headquarters ~Wedding Eve~
as Kiyonaga Matsumoto (voice)

OOO, Den-O, All Riders: Let's Go Kamen Riders
as General Jark (voice)

Five Numbers!
as Rōjin (voice)

Detective Conan: The Raven Chaser
as Kiyonaga Matsumoto (voice)

Kamen Rider Decade: All Riders vs. Dai-Shocker
as General Jark (voice)

Ultraman Mebius Side Story: Ghost Rebirth - STAGE II: The Emperor's Resurrection
as Armored Mefilas (voice)

Ultraman Mebius Side Story: Ghost Rebirth - STAGE I: The Graveyard of Darkness
as Armored Mefilas (voice)

Neko Ramen Taisho
as Taisho (Jefferson III)(voice)

Dororo
as Hell Hound

Tokyo Godfathers
as Kaa-san (voice)

Fullmetal Alchemist: Brotherhood
as Cornello (voice) · 2 ep.

Ultraman Mebius Side Story: Ghost Rebirth
as Armored Mefilas (voice) · 2 ep.

Natsume's Book of Friends
as Saigami (voice) · 13 ep.

Shigurui: Death Frenzy
as Kogan Iwamoto · 12 ep.

Bartender
1 ep.

Freedom
7 ep.

Elemental Gelade
as Kinnbart (voice) · 26 ep.

Tokusou Sentai Dekaranger
as Detective Chou (voice) · 1 ep.

The Gokusen
13 ep.

Shadow
as Juuzou Hattori (voice) · 4 ep.