Cha Joo-young Unveils Grueling Action Secrets for Upcoming Kidnapping Thriller ‘Sister’ 💥🎬

The highly anticipated kidnapping thriller, ‘Sister,’ is already generating significant buzz ahead of its global release, thanks to its compelling premise and the stellar cast featuring Cha Joo-young, Lee Soo-hyuk, and Jung Ji-so. As K-thrillers continue to captivate international audiences, all eyes are on this new offering, which promises high stakes and intense performances.

During the recent press screening held on January 12, 2026, at CGV Yongsan I’Park Mall in Seoul, director Jin Sung-moon joined the lead actors to shed light on the film’s production and the challenges faced. ‘Sister’ plunges viewers into the harrowing tale of Haeran (played by Jung Ji-so), who orchestrates the abduction of her own sister for a substantial ransom. Unbeknownst to her, the sinister plan was meticulously crafted by Tae-soo (portrayed by Lee Soo-hyuk), leaving So-jin (played by Cha Joo-young) as the unwitting hostage caught in a terrifying web.

Speaking of the intense sequences, Lee Soo-hyuk, who plays the mastermind kidnapper Tae-soo, expressed his immense gratitude towards his co-stars. “Cha Joo-young and Jung Ji-so must have had an incredibly tough time with the action scenes,” he remarked. “The on-set conditions weren’t exactly relaxed, but their unwavering dedication truly motivated me to push harder.”

Adding to this, Cha Joo-young elaborated on the rigorous preparation involved. While the filming environment was demanding, she revealed that the action choreography became significantly more aggressive than initially planned. To tackle these unexpected additions, the team prioritized thorough preparation.

• 🤝 **Extensive Rehearsals:** We conducted exhaustive rehearsals for all the action sequences, meticulously practicing each movement.
• 💡 **Collaborative Input:** The cast actively exchanged ideas and opinions, contributing to the development of dynamic and impactful scenes.
• 💪 **Stunt Double Synergy:** Our incredible stunt doubles provided invaluable assistance. We, the actors, often proactively sought their guidance and insights on specific movements, which they generously accommodated.

This collaborative and dedicated approach allowed the team to create diverse and compelling action sequences. Cha Joo-young affirmed her commitment, stating, “I tried my best without holding back, thanks to everyone’s tireless efforts.” This dedication from the cast and crew promises a truly immersive and thrilling cinematic experience.

Mark your calendars! ‘Sister’ is set to hit theaters on January 28, 2026. Hello Korea anticipates a visceral and unforgettable ride for thriller enthusiasts worldwide.

The dedication shown by the cast to elevate the physicality of ‘Sister’ truly speaks to their commitment to delivering an authentic thriller experience. This intense preparation suggests a film that will keep audiences on the edge of their seats, proving that sometimes the toughest scenes yield the most impactful performances.

We can’t wait to see the results of their hard work on screen.

Editor: Hannah Choi 🎬