Ultra Q

Measures Headquarters's Command

Seven Samurai

Gisaku's Son

Yojimbo

King Kong vs. Godzilla

Police Executive

Ikiru

Fire Department Staff (uncredited)

The Hidden Fortress

Soldier (uncredited)

Godzilla Raids Again

Hokkai-Maru Captain

Invasion of Astro-Monster

Xian

Mothra vs. Godzilla

Shizunoura Fisherman

Rodan

Policeman Tashiro (uncredited)

Battle in Outer Space

Natari

Matango

Doctor (as Jirô Kumagai) (uncredited)

Terror of Mechagodzilla

Defense Corp Executive

When a Woman Ascends the Stairs

Bar Customer

Gorath

Government Personnel

I Live in Fear

Psychiatric nurse (uncredited)

Samurai I: Musashi Miyamoto

Villager (uncredited)

The Mysterians

Colonel Ito

Dogora

Defense Corps Executive

The H-Man

GSDF Officer (uncredited)

Atragon

(as Jirô Kumagai)

Late Chrysanthemums

Invisible Man

Ôtsuka

Varan

The Human Vapor

Kajimoto

Half Human

Policeman (uncredited)

Colonel Kato's Falcon Squadron

Daredevil in the Castle

The Vampire Moth

Wings of Victory

(as Jirô Kumagai)

Miyamoto Musashi VI: Swords of Death

The Eagle of the Pacific

(uncredited)

Sazae-san

Yagyu Secret Scrolls

Husband and Wife

Samurai of Hachiman

The Story of Iron Arm Inao

Doctor (as Jiro Kumagai)

Angkor Wat Story - Beautiful Sadness

Customs officer

The Gambling Samurai

Seiichiro Nakajima

Kirare no Senta

Yoshizō

Mount Hakone

The Man from Planet Alpha

The White Rose of Hong Kong

Will-o'-the-Wisp

Talkative Company President

Wadakura (Finance Director)