Despite starting her acting career at such a young age, Ji Won did not fail to impress the viewers with her excellent acting as the character Kang Ye Bin. Ji Won started her acting career in movie "Annyeong, Thui" in 2014 and has been featured in the hit drama "The Producers" acting as the child, Tak Ye Jin.

Kim Dong Hee plays as Cha Seo Joon, the older twin sons of Kim Byung Chul (starring as Cha Min Hyuk) and Yoon Se Ah (starring as Noh Seung Hye) and also the twin brother of Jo Byung Gyu (starring as Cha Ki Joon). Seo Joon is a soft-hearted high school student who is kind and hate to compete with others. Although he did not agree with his father who always telling them to "aim for the top", but he will remains quiet and follow his father instructions.

Ki Joon, however has a cool and chic personality. He will speak up in defense for his mother and brother when the father yelling at them about the test results. Although the twins have different personalities but the brothers will protect and take care of each other. 

Debuted in 2015, Jo Byung Gyu has already featured in various drama and acted different roles. Byung Gyu started his acting career in the hit drama "Who Are You: School 2015" and previously also played as the supporting roles in dramas - "The K2", "Queen For Seven Days", "Radio Romance" and many more. Recently it was also reported that Byung Gyu will be joining tvN's upcoming drama "He Is Psychometric", along with GOT7's Jinyoung and actress Shin Ye Eun.