• Movie: Parasyte Part 1
• Romaji: Kiseiju
• Japanese: 寄生獣
• Director: Takashi Yamazaki
• Writer: Hitoshi Iwaaki (manga), Ryota Kosawa
• Producer:
• Cinematographer:
• World Premiere: October 30, 2014 (Tokyo IFF)
• Release Date: November 29, 2014
• Runtime: 109 min.
• Language: Japanese
• Country: Japan

Plot

Mysterious worm-like aliens fall from the sky. They penetrate through the ears or nose into human beings and live off their brain while dominating the body. Now with human appearance, the parasites live among humans.
Shinichi Izumi (Shota Sometani) is an ordinary high school student. His best friend is Satomi Murano (Ai Hashimoto). One day, Shinichi Izumi is attacked by a parasite, but he is able to fight off the parasite before it takes over his brain. The parasite though lives within his right hand. Shinichi Izumi and the parasite now live together. Shinichi believes the parasites are responsible for countless murders all around the world and he feels responsible, because he knows the truth.
Meanwhile, Ryoko Tamiya (Eri Fukatsu) is a teacher that starts her new post at the same high school where Shinichi attends. She has been taken over by a parasite and comes to observe Shinichi.

Notes

1. Based on the manga series "Kiseiju" by Hitoshi Iwaaki (published from 1990 to 1995 by Kodansha's Afternoon magazine).
2. Filming began January, 2014 and finished 5 months later.
3. Related titles:
   1. Parasyte Part 1 | Kiseiju (2014)
   2. Parasyte Part 2 | Kiseiju Kanketsu Hen (2015)

Cast

Shota Sometani	Eri Fukatsu	Sadao Abe	Ai Hashimoto	Masahiro Higashide
Shinichi Izumi	Ryoko Tamiya	Migi	Satomi Murano	Hideo Shimada

Nao Omori	Kazuki Kitamura	Pierre Taki	Hirofumi Arai	Jun Kunimura
Kuramori	Tsuyoshi Hirokawa	Miki	Uragami	Detective Hirama

Kimiko Yo	Tadanobu Asano	Hideto Iwai	Takashi Yamanaka	Shuji Okui
Nobuko Izumi	Goto	Kusano	Detective Tsuji	Chinese restaurant owner

Mansaku Ikeuchi	Kosuke Toyohara
A	Yamagishi

Additional Cast Members:

• Yuki Sakurai - OL