|This article is about a/an voice actor in the Kamen Rider Series.|
Seizō Katō (加藤 精三 Katō Seizō) voiced General Jark in Kamen Rider Black RX. He also voiced one of the Wirepullers of Smart Brain in Kamen Rider 555: Paradise Lost. He reprised his role as General Jark in Kamen Rider Decade: All Riders vs. Dai-Shocker and OOO, Den-O, All Riders: Let's Go Kamen Riders.
On January 17, 2014, Seizo passed away from his long battle with bladder cancer. He was 86 years old.