A Bona Fide Killer Cast
Cast lineup, character introductions, and relationships — Gong Hyo-jin as Yoo Bo-na plus the supporting ensemble.
Who is in the cast?
The full cast lineup, character backgrounds, and how the leads connect — led by Gong Hyo-jin as the working-mother sniper Yoo Bo-na.
Why get to know the cast?
Meet the Leads
Gong Hyo-jin and the central characters driving the story.
Understand the Roles
Character identities, jobs, and the double life at the heart of the series.
Map the Relationships
How family, coworkers, and rivals tie into the mystery.
Featured & Essential
a bona fide killer yoo bo na: Character Guide & Plot
Learn who Yoo Bona is in A Bona Fide Killer, including her Kingfisher identity, family ties, allies, and central justice conflict.
a bona fide killer lee sang yi: Cast & Character Guide
Explore A Bona Fide Killer’s story, character dynamics, action-comedy tone, and what to check when following Lee Sang Yi’s role.
All Cast & Characters
a bona fide killer cast: Roles, Names & Character Guide
Explore the confirmed a bona fide killer cast, key characters, family dynamics, and the roles introduced in the official trailer.
a bona fide killer characters: Cast Guide & Roles
Meet the A Bona Fide Killer cast, including Gong Hyo Jin as Yoo Bo Na, her journalist husband, and the figures tied to Kingfisher's past.
a bona fide killer: Cast, Story & Character Guide 2026
Explore A Bona Fide Killer's story, cast, characters, themes, and Kingfisher identity in this 2026 fan wiki guide.
a bona fide killer jung jun won: Cast & Role Guide
Learn who Jung Jun Won plays in A Bona Fide Killer, how Kwon Tae Sung connects to Yu Bo Na, and what the mystery thriller setup reveals.