Baek Kil-Sung

Baek Kil-Sung (Hangul: 백길성) is a South Korean actor known for his extensive supporting roles across numerous television drama series.

Baek Kil-Sung

Television Career

Baek has appeared in a wide array of South Korean television and streaming drama series, typically portraying professional and authority figures such as lawyers, prosecutors, doctors, police officers, and corporate executives.

Selected Television Series Appearances

Spooky in Love (tvN / 2026) - bank executive (ep.8)
The Art of Sarah (Netflix / 2026) - lawyer (ep.3, 6)
The Judge Returns (MBC / 2026) - lawyer (ep.2)
Dynamite Kiss (SBS / 2025) - attendee (ep.10)
Confidence Queen (TV Chosun-Coupang Play-Amazon Prime Video / 2025) - Rising Airlines executive (ep.2)
Beyond the Bar (JTBC / 2025) - prosecutor (ep.9)
Undercover High School (MBC / 2025) - Kang Sung-Woo's dad (ep.3)
Family by Choice (JTBC / 2024) - teacher
Black Out (MBC / 2024) - doctor (ep.9, 14)
The Frog (Netflix / 2024) - detective captain (ep.8)
The Whirlwind (Netflix / 2024) - Choi Se-Won (ep.4)
Uncle Samsik (Disney+ / 2024) - assemblyman (ep.7-8)
Crash (ENA / 2024) - police superintendent (ep.11)
Chief Detective 1958 (MBC / 2024) - KCIA agent (ep.7)
Death's Game (TVING / 2023-2024) - Taekang executive (ep.6)
Tell Me That You Love Me (ENA / 2023-2024) - police officer (ep.7)
Shadow Detective 2 (Disney+ / 2023) - Prosecutor Ahn (ep.6)
Heartbeat (KBS2 / 2023) - Attorney Choi Joong-Chan (ep.1)
Numbers (MBC / 2023) - police officer (ep.1)
Doctor Cha (JTBC / 2023) - doctor (ep.13)
Joseon Attorney: A Morality (MBC / 2023) - court official
Agency (JTBC / 2023) - Human & Money's client (ep.14)
The Golden Spoon (MBC / 2022) - Yoo Sung-Soo (ep.9)
Today's Webtoon (SBS / 2022) - auditor (ep.15)
Anna (Coupang Play / 2022) - campaign manager (ep.3)
Becoming Witch (TV Chosun / 2022) - Lee Nak-Gu's brother
Cleaning Up (JTBC / 2022) - taxi driver (ep.8-9)
Bloody Heart (KBS2 / 2022) - Ministry of Punishments official (ep.15-16)
From Now On Showtime! (MBC / 2022) - doctor (ep.8)
Our Blues (tvN / 2022) - OB-GYN Kang Jun-Seok (ep.5)
Crazy Love (KBS2 / 2022) - Chairman Baek's secretary (ep.9)
One the Woman (SBS / 2021) - Prison Chief Kang Kyung-Soo (ep.9)
Delayed Justice (SBS / 2020-2021) - prosecutor (ep.3)
Kairos (MBC / 2020) - department head
Memorist (tvN / 2020) - prosecutor (ep.4)