Gong Hyo Jin, Jung Jun Won, Lee Sang Yi, and the rest of the A Bona Fide Killer team have said their goodbyes. MBC released a new behind-the-scenes video showing the cast at their final filming. The drama ended its 14-episode run on September 12, 2026. It closed with its highest ratings of the season. The cast shared warm messages for viewers who stuck with the show all summer.
A Party Like Atmosphere on Set
The final filming took place over 15 days of non-stop work. A new making-of video shows Gong Hyo Jin and Lee Elijah practicing their action scenes together. The two filmed a difficult fight sequence smoothly. Director Kim Ji Hoon praised Gong Hyo Jin for her focus and hard work. She filmed both romantic and action scenes without any complaints.
The cast later came together to film a school festival scene. This brought a celebratory mood to the set.
“We were able to wrap up enjoyably amidst a party-like atmosphere.”
Gong Hyo Jin said those words about the final days of filming. She also spoke about taking on action for the first time in her career.
“I’ve tried action for the first time in my life, so I wondered if I could really do it, but I received help from many people, and I’m really grateful to them because I think we were able to make such a cool Yu Bo Na.”
Jung Jun Won shared mixed feelings about the ending.
“We finished seven months of filming, and there are moments I’m sad about as well as relieved, and I feel bittersweet.”
Lee Sang Yi thanked viewers for their support. He described his role as a chase that was thrilling and fun.
What the Cast Said About the Drama
The lead actors each shared final thoughts about what the drama meant to them. Gong Hyo Jin played Yu Bo Na, a wife and mother who hides a secret life as a legendary sniper called Kingfisher.
“A Bona Fide Killer is a drama that taught me the satisfaction of taking on a new challenge. I was so happy that our viewers gave us so much love and made all of that hard work worth it.”
She also hoped the experience would stay a rewarding and happy memory for the whole team. To viewers who saw a new side of her, she asked them to look forward to the other sides she will show in the future.
Jung Jun Won played Kwon Tae Sung, Yu Bo Na’s husband. His character stays loyal even after learning her shocking secret. Jung called the drama a precious memory that helped him grow as an actor.
“I think that even after time has passed, this drama will remain engraved in my heart as a memory when I look back on it.”
Lee Sang Yi played Detective Lee Dong Jin, who never stops chasing Kingfisher. He called the drama a relentless, never-ending chase. He thanked fans for showing love during a especially hot summer. He also hoped viewers would stay full of energy and spirit, just like his character.
A Story of Two Lives
A Bona Fide Killer is based on a popular webtoon. The story follows Yu Bo Na, who works as a manager at Durumi Electronics. To her co-workers and family, she seems like an ordinary working mom. In secret, she is Kingfisher, a skilled sniper. The show mixes action, family drama, and romance. It kept viewers guessing until the very end.
The webtoon, created by GUM and YOON, has been running on Kakao Webtoon since 2022. The English version is available on Tapas. After the drama premiered, views of the webtoon increased tenfold. This shows how much interest the show created for the original story.
Kim Eun-hee wrote the drama. Yoon Jong-ho and Kim Ji-hoon directed it. The production team held a production presentation on July 30, 2026, with the full cast present.
Record Breaking Ratings for the Finale
The drama started with a nationwide rating of 7.4% for its first episode. It climbed steadily over its run. By August 16, it had reached 10.2% and broke into double digits for the first time. The finale on September 12 hit a nationwide average of 10.7%. It also recorded 10.4% in the Seoul metropolitan area. The peak rating during the finale reached 12.5%.
These numbers made it the most-watched miniseries airing on Saturday. It outperformed Flex x Cop Season 2 on SBS, which drew 5.7% ratings in the same time slot. The drama aired every Friday and Saturday at 9:50 PM KST on MBC.
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Where to Watch and What Comes Next
A Bona Fide Killer is available for streaming on Rakuten Viki. Viewers in the USA, UK, Canada, Australia, India, and many other regions can watch all 14 episodes with subtitles. The full series is ready for binge-watching. The drama wrapped filming with a wrap party at a restaurant in Yeouido, Seoul. The cast and crew appeared to be in good spirits.
Also Read: A Bona Fide Killer Ends on Highest Ratings as A Love Other Than Yours Premieres
For more K-drama finale updates and cast farewells, keep reading VvipTimes.
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