Koo Hye-sun revealed that she smoked a pack of cigarettes every day for 10 months to prepare for a smoking role in a movie.

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Actress Koo Hye-sun appeared on MBNs Kim Joo-has Day & Night and shared an anecdote about how she smoked a pack of cigarettes every day for 10 months to practice her smoking scenes for a movie. Koo Hye-sun explained that she learned how to smoke via video chat with her college classmates at the time, and that she was able to take on the role only after putting in so much effort that she was mistaken for an actual smoker.
Actress Koo Hye-sun appeared on MBNs Kim Joo-has Day & Night and shared an anecdote about how she smoked a pack of cigarettes every day for 10 months to practice her smoking scenes for a movie. Koo Hye-sun explained that she learned how to smoke via video chat with her college classmates at the time, and that she was able to take on the role only after putting in so much effort that she was mistaken for an actual smoker.

Actress Koo Hye-sun appeared on MBN’s “Kim Joo-ha’s Day & Night” and shared an anecdote about how she smoked a pack of cigarettes every day for 10 months to practice her smoking scenes for a movie. Koo Hye-sun explained that she learned how to smoke via video chat with her college classmates at the time, and that she was able to take on the role only after putting in so much effort that she was mistaken for an actual smoker.

Method Acting Commitment

Actress and director Koo Hyesun revealed on MBN's 'Kim Ju-ha's Day and Night' that she intentionally smoked a pack of cigarettes daily for 10 months to prepare for a film role. She sought to master the habit authentically after receiving feedback that her initial performance lacked realism, eventually leading to rumors about her smoking habits on her university campus.

Remote Learning for the Screen

During the pandemic, Koo Hyesun utilized video conferencing to learn how to smoke from university peers to ensure her character portrayal was convincing. She noted that the experience was successful when anonymous posts on a student app began labeling her a heavy smoker, signaling that her preparation for the role had achieved the desired effect.