Cast and crew
The Merciless
Original titleBulhandang
Directed by Sung-hyun Byun · starring Jin Seon-kyu, Kyoung-gu Sul and Si-wan Im
- 3 actors
- 1 in the crew
- 2017
- 1 h 55 min
The Merciless: cast and crew
Director
Actors and characters
- Actors
- 3
- Crew
- 1
Crew
Writers 1
Companies
- Distributor in the UK
- Studio Canal
Questions about the cast of The Merciless
- Who plays Prison Chief Security Officer in The Merciless?
- Jin Seon-kyu plays Prison Chief Security Officer.
- Who plays Han Jae-ho in The Merciless?
- Kyoung-gu Sul plays Han Jae-ho.
- Who plays Hyun-soo in The Merciless?
- Si-wan Im plays Hyun-soo.
- Who directed The Merciless?
- Sung-hyun Byun.
- Who wrote The Merciless?
- Sung-hyun Byun.
- How many actors are in The Merciless?
- 3 actors are credited, and 1 person in the crew.
The cast in numbers
Sung-hyun Byun has also directed Kyoung-gu Sul in Good News (2025).



