The Ultimate Duo South Korean Film Profile

The Ultimate Duo, also known by its literal Korean title Ultimate Investigation (Hangul: 끝장수사, Revised Romanization: Ggeutjangsusa), is a South Korean feature film directed and written by Park Cheol-Hwan.

Promotional poster for The Ultimate Duo — The Ultimate Duo promotional artwork

Production and Release Details

The film was distributed by Acemaker Movie Works and has a total runtime of 97 minutes. It is scheduled for release on April 2, 2026, in South Korea, with dialogue presented in the Korean language. The cinematography was handled by Ki Se-Hun.

Cast and Characters

The main cast features several notable South Korean actors portraying key roles within the narrative:

Bae Sung-Woo as Jae-Hyeok
Jung Ga-Ram as Joong-Ho
Esom as Mi-Ju
Yoon Kyung-Ho as Jo Dong-O
Jo Han-Chul as Team leader Oh

Additional Cast Members

Supporting roles and additional cast members include:

Park Soo-Young as team leader
Woo Hyeon as senior superintendent
Park Ji-Yeon as Young-Hee
Kim Yong-Joon as Kang Chang-Su
Kim Joong-Ki as Yang Min-Su
Kim Jeong-Woo as detective
Park Si-Beom as detective
Kim Ro-Sa as madam
Park Jin-Soo as Yong-Man