Jigureul jikyeora!

(Save the Green Planet!) Directed by Jang Joon-hwan - 2003

Jigureul jikyeora! (Save the Green Planet!)

A bizarre South Korean sci-fi dark comedy about an unstable young man who kidnaps a corporate executive, convinced he is an alien invader.

IMDb rating 7.1
Starring: Shin Ha-kyun Hwang Jung-min Baek Yoon-shik Lee Jae-yong
Genre: Comedy, Crime, Drama, Horror, Sci-Fi, Thriller
Country: Republic of Korea
Production: CJ Entertainment, Sidus
Trailer
More at IMDb & TMDB