- IU as Lee Soon Shin
- Go Doo Shim as Kim Jung Ae
- Jung Dong Hwan as Lee Chang Hoon
- Kim Yong Rim as Shim Mak Re
- Son Tae Young as Lee Hye Shin
- Yoo In Na as Lee Yoo Shin
- Jo Jung Suk as Shin Joon Ho
- Kim Gab Soo as Shin Dong Hyuk
- Go Joo Won as Park Chan Woo
- Lee Mi Sook as Song Mi Ryung
- Kim Yoon Seo as Choi Yun Ah
- Jung Woo as Seo Jin Wook
- Lee Ji Hoon as Kim Young Hoon
- Lee Ji Hoon as Jo In Sung
- Yoon Da Hoon as Hwang Il Do
- Bae Geu Rin as Shin Yi Jung
- Yoon Da Hoon as Hwang Il Do
Joon-hoo takes Soon-shin away and tells her that she can be a great actress even without Mi-ryung’s help. Also that she should follow his lead.
Mi-ryung tells Yun-ah that Soon-shin is smarter than she looks and that if she doesn’t want to regret later, she should stop the bet now.
Manager Hwang meets Chan-woo’s dad. Turns out that he is also from the same hometown as was Soon-shin’s dad and him, along with Mi-ryung. He asks if dad raised Mi-ryung’s child, but Chan-woo’s dad lies that he sent her to an orphanage. Later, Manager orders his spy to look into all orphanages of the specified area.
Chan-woo’s dad tells mom about his meeting. Mom says that he should have told the truth. She tells him that Mi-ryung should take Soon-shin with her as whenever she sees Soon-shin, she is reminded of her husband’s cheating. Also, then she will not have to feel nervous about Soon-shin meeting that woman. He says about how much she loves Soon-shin and that Soon-shin doesn’t know anything about past.
Joon-ho conducts meeting regarding Soon-shin’s debut and tells that she should have her own uniqueness to appeal the people with an image of a pure innocent girl that has a mysterious appeal. He orders to get all the best people to groom her. A star is made, not born and he will make her into one.
Joon-ho tells Soon-shin to throw her older self and adorn a new image and work hard for it.
Mom comes to Joon-ho’s office to pay back the money. He says that he will pay Mi-ryung back for what she did with Soon-shin. Mom agrees to give him only one month to accomplish his task and that he should stop after one month even if Soon-shin wants to keep going.
Yoo-shin and Chan-woo go for their first date. She is clearly happy with him.
Joon-ho tells In-sung to make a list of dramas/movies/music videos that can air in a month.
Yun-ah meets Yi-jung at her dad’s clinic. They both go to a restaurant together and start on friendly terms. Joon-ho’s dad remembers that once Yi-jung talked about Yun-ah at dinner.
Joon-ho brings colorist, stylist and make-up artist to meet Soon-shin and they dress her up. He along with Young-hoon and Soon-shin’s colleague are surprised to see her new groomed look. But Joon-ho criticizes her attitude and mannerisms.
Young-hoon tells Soon-shin that she should never lose herself. Then, she can be happy in any circumstance.
Hye-shin meets her mother-in-law, who tells her that it’s no wonder that her husband cheated on her. She should have forgiven him. Also, that she will take care of Woo-joo’s expenses. They actually meet at Jin-wook’s bakery shop and thus he overhears everything. Hye-shin asks him to keep this a secret.
Joon-ho decides that Soon-shin will work in a music video, and he will talk to the producers to replace the already-cast actress.
Mi-ryung comes to know about Soon-shin being cast for the music video. Soon-shin meets her outside Joon-ho’s office, where she tells her that she will definitely make her proud.
Mi-ryung asks Il-do to arrange a meeting with the manager of that actress, whom Soon-shin replaced.
Next day, In-sung rushes to tell Joon-ho that the same actress has decided to sue their agency and has asked 10 times cancellation price. He is shocked.
Yun-ah meets Joon-ho and tells him that she will sign the contract with him and that he should stop the bet.
- You’re The Best Lee Soon Shin (Episode 16)
- You’re The Best Lee Soon Shin (Episode 15)
- You’re The Best Lee Soon Shin (Episode 14)
- You’re The Best Lee Soon Shin (Episode 13)
- You’re The Best Lee Soon Shin (Episode 12)
- You’re The Best Lee Soon Shin (Episode 11)
- You’re The Best Lee Soon Shin (Episode 10)
- You’re The Best Lee Soon Shin (Episode 9)
- You’re The Best Lee Soon Shin (Episode 8)
- You’re The Best Lee Soon Shin (Episode 7)
- You’re The Best Lee Soon Shin (Episode 6)
- You’re The Best Lee Soon Shin (Episode 5)
- You’re The Best Lee Soon Shin (Episode 4)
- You’re The Best Lee Soon Shin (Episode 3)
- You’re The Best Lee Soon Shin (Episode 2)
- You’re The Best Lee Soon Shin (Episode 1)