a bona fide killer kdrama cast netflix: 2026 Cast Guide - Cast

a bona fide killer kdrama cast netflix: 2026 Cast Guide

Explore the A Bona Fide Killer cast, character roles, story premise, episode count, release details, and current streaming information.

2026-08-05
a bona fide killer Wiki Team
Quick Guide
  • a bona fide killer kdrama cast netflix: The main cast includes Kong Hyo-jin and Jung Joon-won.
  • Lead roles: Kong Hyo-jin plays Yoo Bo Na, while Jung Joon-won plays Kwon Tae Seong.
  • Series format: The 2026 South Korean TV series is listed with 14 episodes.
  • Story setup: A married woman works as a killer in a secret organization while her husband investigates her secret.
  • Streaming note: The available listing identifies Viki, while Netflix availability is not confirmed here.

A Bona Fide Killer Kdrama Cast Netflix Overview

The search phrase a bona fide killer kdrama cast netflix points to a 2026 South Korean action, drama, and thriller series titled A Bona Fide Killer. The available listing identifies the production as a TV series with one season and 14 episodes. Its central cast pairing is Kong Hyo-jin as Yoo Bo Na and Jung Joon-won as Kwon Tae Seong.

The story focuses on a married woman whose professional identity is hidden inside a secret organization. Her husband wants to expose the truth, creating a premise built around marriage, secrecy, investigation, and danger. The cast list also includes Lee Sang-yi, Sung Dong-il, Seo Jung-yeon, and Mu Jin-sung in credited roles.

Cast Reading Tip

Start with the two central roles, Yoo Bo Na and Kwon Tae Seong, because the series premise is structured around their opposing secrets and personal connection.

Kong Hyo-jin

Character: Yoo Bo Na
Episodes: 14
She is credited as the married woman connected to the secret killer organization.

Jung Joon-won

Character: Kwon Tae Seong
Episodes: 14
He is credited as Bo Na’s husband, who wants to reveal her hidden secret.

Lee Sang-yi

Character: Lee Dong Jin
Episodes: 14
A principal credited cast member appearing across the listed season.

Sung Dong-il

Character: Kim Bong Pal
Episodes: 14
A major supporting cast member listed for every episode.

Cast MemberCharacterListed EpisodesRole Position
Kong Hyo-jinYoo Bo Na14Central character
Jung Joon-wonKwon Tae Seong14Central character
Lee Sang-yiLee Dong Jin14Principal cast
Sung Dong-ilKim Bong Pal14Supporting cast
Seo Jung-yeonBae Yun Ok14Supporting cast
Mu Jin-sungKi Yeong Do14Supporting cast

Main Characters and Story Roles

Yoo Bo Na is the character most directly tied to the series’ hidden world. She is described as a married woman working as a killer within a secret organization. That contrast between domestic life and covert work gives the drama its main source of tension.

Kwon Tae Seong provides the opposing perspective. Rather than sharing Bo Na’s secret, he wants to uncover it. The relationship therefore functions as more than a simple romance or family storyline: it is also the route through which the concealed organization may be exposed.

The supporting cast expands the series beyond the central marriage. Lee Dong Jin, Kim Bong Pal, Bae Yun Ok, and Ki Yeong Do are all listed as recurring characters across the 14-episode season. Additional credited roles include O Hyeon Nam, Ko Yeong Gap, Yang Ye Sul, Kwon Se A, Beom Seong Hun, and Ok Seon Ja.

Avoid Unconfirmed Character Claims

Available information confirms names, credited roles, and the broad premise, but it does not provide full biographies, affiliations, or episode-by-episode arcs for every character.

CharacterPerformerConfirmed ConnectionCoverage
Yoo Bo NaKong Hyo-jinMarried woman working as a secret killer14 episodes
Kwon Tae SeongJung Joon-wonHusband seeking to expose Bo Na’s secret14 episodes
Lee Dong JinLee Sang-yiCredited principal character14 episodes
Kim Bong PalSung Dong-ilCredited supporting character14 episodes
Bae Yun OkSeo Jung-yeonCredited supporting character14 episodes
Ki Yeong DoMu Jin-sungCredited supporting character14 episodes

The premise also connects the show to the webcomic Yubunyeo Killer, written by Yoon and illustrated by Geomdung. This source connection helps explain the series’ combination of domestic drama and covert action, while the adaptation’s full changes should be judged through the episodes themselves.

1

Identify the Central Secret

Begin with Yoo Bo Na’s double life. Her marriage and her work inside a secret organization form the foundation of the story.

2

Track Tae Seong’s Investigation

Follow Kwon Tae Seong’s attempts to uncover what his wife is hiding. His investigation drives the personal conflict.

3

Map the Supporting Cast

Note how Lee Dong Jin, Kim Bong Pal, Bae Yun Ok, and Ki Yeong Do fit around the central couple.

4

Compare Adaptation Details

After viewing the drama, compare its character emphasis and tone with the webcomic credit without assuming every plot detail is unchanged.

Genre, Format, and Viewing Expectations

A Bona Fide Killer is classified as Action, Drama, and Thriller. These labels suggest a series that balances dangerous professional activity with relationship-based tension. The strongest appeal comes from the contrast between a recognizable married life and the concealed violence surrounding Bo Na’s work.

The show is listed as a South Korean TV series released in 2026. The reported South Korean release date is July 31, 2026, and the episode guide lists 14 episodes for the first season. An episode entry also identifies a new recruit joining Bo Na’s company, indicating that the organization remains important to the broader story.

Format Snapshot

The listed format is one season with 14 episodes. Treat episode dates and service availability as listing details that may change by region or platform.

Format DetailAvailable Information
TitleA Bona Fide Killer
Production typeSouth Korean TV series
Year2026
GenresAction, Drama, Thriller
Season count1 listed season
Episode count14 episodes
South Korean releaseJuly 31, 2026
Source materialWebcomic Yubunyeo Killer

For viewers deciding whether the series matches their preferences, the genre blend can be read in three ways:

  • Action viewers may be drawn to the secret organization and killer premise.
  • Drama viewers may prefer the marriage conflict and emotional consequences of deception.
  • Thriller viewers may focus on Tae Seong’s effort to discover the truth.

The series should not be reduced to a simple assassin story. Its defining hook is the collision between hidden professional violence and an intimate relationship. That structure gives the cast’s performances particular importance because the central tension depends on what characters know, conceal, or attempt to reveal.

Action Focus

Secret-organization activity, professional danger, and the pressure created by Bo Na’s hidden work.

Drama Focus

A marriage placed under strain when one partner’s identity is not what it appears to be.

Thriller Focus

Investigation, concealed information, and the question of whether Tae Seong can expose the truth.

Release and Streaming Status

The available listing records A Bona Fide Killer as a 2026 South Korean production from Baram Pictures and Bon Factory. It also identifies Viki as a watch option. The supplied information does not confirm a Netflix release, so viewers searching specifically for “Netflix” should check their local catalog and the official listing before assuming the series is available there.

This distinction matters because streaming libraries can differ by country, language, licensing arrangement, and release schedule. A title appearing in a search query does not by itself prove that Netflix carries the series. For the most reliable current information, consult the A Bona Fide Killer IMDb listing and the relevant official streaming page.

Best Availability Check

Use the title’s exact English name when searching Viki, Netflix, or another regional service. Confirm the provider, subtitle options, and episode availability before starting.

Availability ItemCurrent Listing Detail
Regional originSouth Korea
Listed release dateJuly 31, 2026
Watch option shownViki
Netflix statusNot confirmed in the available listing
Season status1 season listed
Episode status14 episodes listed
Source pageIMDb title record

Before You Watch:

  • Confirm which streaming service carries the series in your region
  • Check whether all 14 listed episodes are available
  • Verify subtitle or language options for your preferred viewing format
  • Review the cast list for Yoo Bo Na and Kwon Tae Seong
  • Use the official listing for the latest schedule information

When availability changes, prioritize current service pages over older social posts or search snippets. The safest conclusion from the present listing is that Viki is identified as a viewing option, while Netflix access remains unverified here.

A Bona Fide Killer Cast FAQ

The questions below address the most common cast, story, format, and platform concerns. They separate confirmed listing details from assumptions that require further official confirmation.

Reader Tip

For cast searches, use both the performer’s name and character name. Searching “Kong Hyo-jin Yoo Bo Na” is more precise than using the series title alone.

Q: Who is in the A Bona Fide Killer cast?

The listed principal cast includes Kong Hyo-jin as Yoo Bo Na, Jung Joon-won as Kwon Tae Seong, Lee Sang-yi as Lee Dong Jin, Sung Dong-il as Kim Bong Pal, Seo Jung-yeon as Bae Yun Ok, and Mu Jin-sung as Ki Yeong Do.

Q: Who does Kong Hyo-jin play in A Bona Fide Killer?

Kong Hyo-jin is credited as Yoo Bo Na, a married woman who works as a killer inside a secret organization.

Q: Is A Bona Fide Killer confirmed for Netflix?

Netflix availability is not confirmed by the available listing. The listing identifies Viki as a watch option, so viewers should check their regional Netflix and Viki catalogs.

Q: How many episodes does A Bona Fide Killer have?

The series is listed with 14 episodes in its first season. The available information also records a South Korean release date of July 31, 2026.

QuestionShort Answer
Lead actressKong Hyo-jin as Yoo Bo Na
Lead husband characterJung Joon-won as Kwon Tae Seong
Genre blendAction, drama, thriller
Episode total14 listed episodes
Confirmed platform in sourceViki
Netflix confirmationNot available in the supplied listing

The central reason to follow this cast is the relationship between Yoo Bo Na and Kwon Tae Seong. Bo Na’s hidden profession creates the mystery, while Tae Seong’s desire to expose it gives the story forward momentum. The supporting performers complete the ensemble around that conflict.

For ongoing updates, revisit the IMDb cast and episode page and verify streaming information through the service available in your country. This approach keeps cast details, episode counts, and platform claims aligned with the latest accessible listing.