One day, the only son of famous news anchor HAN Kyung-bae, disappears without a trace. Soon, the kidnapper calls the mother demanding a $100,000 ransom. The police assign a veteran inspector to the case and assemble a top-notch task force to work under his command. But the kidnapper constantly outwits the police and continues calling the parents with yet more instructions for the money drop.
Unfortunately the movie Voice of a Murderer is not yet available on HBO Max.
| Writing | Park Jin-pyo | Writer |
| Directing | Park Jin-pyo | Director |
| Sound | Lee Tae-gyu | Production Sound Mixer |
| Costume & Make-Up | Sin Seung-hui | Costume Design |
| Visual Effects | Kim Byeong-gi | Special Effects Supervisor |
| Editing | Kim Mi-joo | Editor |
| Camera | Kim Tae-kyeong | Camera Operator |
| Camera | Kim Woo-hyung | Director of Photography |
| Production | Park Tae-joon | Line Producer |
| Production | Lee Eugene | Producer |
| Production | Ahn Soo-hyun | Producer |
| Writing | Ahn Soo-hyun | Writer |
| Art | Oh You-jin | Props |
| Art | Lee Na-gyeom | Production Design |
| Directing | Gook Dong-seok | Assistant Director |
| Art | Baik | Title Designer |
