Movielogr users have logged 8 movies featuring Koichi Iwaki.
| Title | Director(s) | Year Released |
|---|---|---|
| Beast to Die, The | Tōru Murakawa | 1980 |
| Bullet Train, The | Jun'ya Satô | 1975 |
| Cutie Honey: Tears | Takeshi Asai, Ryo Higuchi | 2016 |
| Doberman Cop | Kinji Fukasaku | 1977 |
| Family | Takashi Miike | 2001 |
| Family 2 | Takashi Miike | 2001 |
| Silver Hawk | Jingle Ma | 2004 |
| Yakuza Demon | Takashi Miike | 2003 |