SEE ALSO: Joo Won cast in movie 'C'est Si Bon' + Han Hyo Joo is reviewing the offer

A film insider told TV Report, "Jang Hyun Sung has decided to star in 'C'est Si Bon'... Jang Hyun Sung is set to play the role of grown-up Lee Jang Hee. [Jang Hyun Sung] and Jin Goo will both play the same person."

Jang Hyun Sung shared that he's tuning up his guitar skills for the movie in a recent interview with Ilgan Sports, "I started playing the guitar again for the filming of the movie 'C'est Si Bon'... I first started playing the guitar during my military service. I only know how to play one instrument, and I learned how to play it again this time. It's difficult to do it again... I am learning from a teacher."

C'est Si Bon was a very well-known music cafe in Korea during the 1960s and 1970s, and the movie will center on its singers�Cho Young Nam, Song Chang Sik, Yoon Hyung Joo,�and�Lee Jang Hee, who were unknown during their 20s. They will, of course, be adding some fiction to fact.

Jung Woo�and�Kim Yoon Seok�will play the younger and older versions of Oh Geun Tae, and�Han Hyo Joo�and�Kim Hee Ae�will play the role of 'C'est Si Bon's muse Min Ja Young.

Kim Hyun Suk�is directing,�J Film�is producing, and�CJ Entertainment�is in charge of investment and distribution. 'C'est Si Bon' is set to premiere this coming winter!