Koichi Iwaki

1975

• [ ] Detonation: Violent Riders (????) 
• [ ] A Violent School Revolution (????) 
• [ ] The Bullet Train (Akira Tôgô) 

1976

• [ ] Detonation! Violent Games (Kazama) 
• [ ] The Machine Gun Dragon (????) 
• [ ] Hell Riders (????) 
• [ ] The Runaway Season (????) 
• [ ] Festival Champ (????) 
• [ ] A Kawachi Rascal's Song (????) 

1977

• [ ] Doberman Cop (Chōei Mikawa) 
• [ ] Proof of the Man (Kyohei Kori) 

1979

• [ ] No Grave for Us (Mitsuhiko Ishikawa) 
• [ ] White Love (????) 
• [ ] The Resurrection of the Golden Wolf (????) 

1980

• [ ] The Beast to Die (Youki) 

1983

• [ ] She Cat (Shirley) 
• [ ] Kawasaki Vice Squad (????) 
• [ ] Kita no kuni kara '83 Fuyu (????) 

1984

• [ ] Kita no kuni kara '84 Natsu (????) 

1985

• [ ] The Second Is a Christian (Haruhiko) 
• [ ] No More God, No More Love (????) 

1986

• [ ] South to the Horizon (Ryo Tomijima) 

1987

• [ ] Passenger (Shinji Yagami) 
• [ ] Kita no kuni kara '87 Hatsukoi (????) 

1988

• [ ] Kizu (????) 

1989

• [ ] Kita no kuni kara '89 Kikyo (????) 

1990

• [ ] Beretta M92F Bombshell (????) 

1991

• [ ] Last Run: 100 Million Yen's Worth of Love and Betrayal (Morita) 

1993

• [ ] Wild Harley (????) 

1995

• [ ] Bad Guy Beach (????) 
• [ ] Mitabi no kaikyô (????) 

1997

• [ ] Naniwa Chūshingura (????) 

1999

• [ ] The Killers from Paraiso (Seiji) 
• [ ] Kimi no tame ni dekiru koto (????) 

2001

• [ ] Family 2 (????) 
• [ ] Family (Hideshi Miwa) 

2002

• [ ] Kewaishi (????) 
• [ ] 北の国から記憶 (????) 

2003

• [ ] Yakuza Demon (Bunta Mutoh) 
• [ ] 北の国から 記憶 前編 (????) 

2004

• [ ] Silver Hawk (Akira Shiraishi) 

2007

• [ ] Drift 3 Hawk (????) 
• [ ] Only You Can Hear Me (Toda) 
• [ ] Drift Falcon IV (????) 

2008

• [ ] Kekkon shiyou yo (????) 

2010

• [ ] Zatoichi: The Last (Shimaji) 

2013

• [ ] The Mole Song: Undercover Agent Reiji (Shuho Todoroki) 

2016

• [ ] The Mole Song: Hong Kong Capriccio (Shuho Todoroki) 
• [ ] Cutie Honey: Tears (Doctor Kisaragi) 

2017

• [ ] HiGH&LOW The Movie 2: End of Sky (Kimitatsu Kurosaki) 
• [ ] 巨悪は眠らせない 特捜検事の標的 (越村俊策 みやびの夫) 
• [ ] Memoirs of a Murderer (Daisuke Tachibana) 

2018

• [ ] Scars and Codes (????) 
• [ ] Scars and Codes 2 (????) 

2019

• [ ] Back Street Girls: Gokudoruzu (Manjiro Inugane) 
• [ ] Scars and Codes 3 (????) 
• [ ] Scars and Codes 4 (????) 
• [ ] Scars and Codes 5 (????) 

2021

• [ ] The Mole Song: Final (Shuho Todoroki) 
• [ ] Anita (Japanese Record Company President) 

2023

• [ ] The Rest of Our Lives (Kenji)