Netflix’s explosive new action thriller Trigger brings together two of South Korea’s most compelling actors in a high-stakes drama that reimagines the country as anything but gun-free. The cast of Trigger South Korean TV series delivers intense performances in this gripping exploration of chaos and consequences, set to premiere on July 25, 2025.

Cast of Trigger Breakdown

Actor	Character	Notable Works
Kim Nam Gil	Lee Do	Pandora, The Pirates, Song of the Bandits
Kim Young Kwang	Moon Baek	Somebody, Hello, Me!, Pinocchio
Woo Ji Hyun	Yoo Jung Tae	Supporting Role
Kim Won Hae	Undisclosed	Supporting Role

The Leading Duo

Kim Nam Gil headlines the series as Lee Do, marking his Netflix Original debut following his appearance in the streamer’s upcoming Song of the Bandits. Known for blockbuster Korean films like Pandora and The Shameless, Kim brings gravitas and intensity to action roles—perfect for a thriller about firearms suddenly flooding South Korea’s streets.

Kim Young Kwang plays Moon Baek, the second protagonist in this deadly game. Unlike Kim Nam Gil, Kim Young Kwang has Netflix experience, having starred in the psychological thriller Somebody and the internationally licensed tvN show Hello, Me! His versatile acting range—from the medical drama Good Doctor to Pinocchio—ensures he’ll match his co-star beat for beat.

What Makes This Cast Special?

The chemistry between the two Kims forms the heart of Trigger. According to Netflix’s official teaser, these two men must work together to solve an unprecedented crisis when firearms mysteriously become widely available in South Korea, historically a gun-free nation. Their contrasting styles and approaches promise compelling on-screen tension.

The supporting cast includes seasoned actors like Kim Won Hae, whose extensive experience in Korean dramas adds depth to the ensemble. Bidangil Pictures, the production studio behind the series, completed filming between October 2023 and July 2024.

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Behind the Cameras

Director and writer Kwon Oh Seung helms the project, crafting an action-thriller that confronts viewers with a nightmare scenario: What happens when a peaceful society suddenly has access to deadly weapons? The series promises edge-of-your-seat tension as the cast of Trigger South Korean TV series navigates betrayal, danger, and moral ambiguity.

FAQs About Trigger’s Cast

Q: Has Kim Nam Gil appeared in other Netflix shows before Trigger?

While Trigger marks Kim Nam Gil’s Netflix Original debut, he’s also set to appear in Song of the Bandits on the platform. He’s best known for acclaimed Korean films like Pandora, The Pirates, and The Shameless.

Q: What other Netflix K-dramas has Kim Young Kwang starred in?

Kim Young Kwang has appeared in two Netflix K-dramas: the psychological thriller Somebody (Netflix Original) and the internationally licensed tvN series Hello, Me! He’s also recognized for popular shows like Pinocchio and Good Doctor.