Kim Go Eun Didn’t Go Home During ‘Hero’ Filming? Here’s Why

Kim Go Eun finally makes her long-awaited silver screen comeback with the musical film "Hero" along with Jung Sung Hwa, Jo Jae Yoon and more!

The actress enjoys her long-running success, following the dramas "The King: Eternal Monarch," "Yumi's Cells" and "Little Women."

Kim Go Eun Shows Affection For New Acting Role

Along with her long list of amazing works, a new film will be added to Kim Go Eun's filmography!

Kim Go Eun, with Ahn Jung Geun, headlines the forthcoming film "Hero." It marks the actress' first ever musical film since her debut.

The film depicts the real life story of Ahn Jung Geun, a Korean independence activist who assassinated Ito Hirobumi, the Prime Minister of Japan-from protesting for freedom until his death.

In the series, Kim Go Eun transforms into Seol Hee, an Independence Army informant who works with Ahn Jung Geun.

Kim Go Eun introduces her character Seol Hee as an enigma; she's a person who doesn't show any emotion until she begins her heartfelt singing, which she uses to express her woes and anger.

READ MORE: Kim Go Eun Shows Off Emotional Performance In New Poster of Upcoming Film 'Hero'

While the drama film is under the historical category, Kim Go Eun is more excited for its musical elements, which she hasn't done in her previous works before.

Unbeknownst to K-drama junkies, Kim Go Eun began her career as a theater actress prior to making her television debut.

In particular, the actress also lent her voice for her drama's OSTs including "Yumi's Cells." Check out Kim Go Eun's "Dark Hearts Will Pass Away Tonight" here:

Kim Go Eun Talks About Filming Experience With 'Hero'

Like any other works, Kim Go Eun exerted much effort in her new film. To further embody Seol Hee, the actress worked hard to play the part.

Kim Go Eun expressed her emotions through her soulful singing under the guidance of the director. When she feels her acting lacks flair, she would ask director Yoon Je Kyoon's opinions.

During filming, Kim Go Eun revealed that she would not go home until she perfected some of her scenes that day. In fact, the actress would rent a practice room for hours to run her lines alone.

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"I couldn't make loud noises at home so I would rent a practice room for a couple of hours instead of going straight home," Kim Go Eun shared. "I would also meet my teachers for voice lessons for two to four hours."

With the actress' hard work, expectations for her performance in "Hero" are set to a new high. Don't miss Kim Go Eun and Jung Sung Hwa in "Hero" this December 21 in theaters nationwide!

KDramaStars owns this article.

Written by Elijah Mully.