SEE ALSO: "They're so good, this is what K-pop should be like," Girls' Generation's past live performance gains spotlight after 8 years

The hit sitcom drama will be returning with a brand new cast this 2018. In addition to the previously-cast main actor Sung Hoon in the role of Jo Seok, the cast will consist of Girls' Generation's Yuri as Aebong, Shim Hye Jin as Jo Seok's mom, Tae Hang Ho as Jo Jun, and Joo Jin Mo as Jo Seok's dad. 

'Sound of Heart' season 2 will aim to bring viewers a much different appeal than the first season. The cast will kick off filming soon, so stay tuned for a broadcast date!