Three Bold Siblings

Three Bold Siblings is a 2023 South Korean television series starring Lee Ha-na, Lim Ju-hwan, Lee Tae-sung, Kim Seung-soo, Kim So-eun and Lee You-jin. It premiered on KBS2 on September 24, 2022, and aired every Saturday and Sunday at 20:00 (KST).

Synopsis
A story about K-first daughter Kim Tae-joo (Lee Ha-na) and top star K-first son Lee Sang-joon (Lim Ju-hwan) seeking happiness.

Main

 * Lee Ha-na as Kim Tae-joo
 * She is pleasant and lenient, however she likewise has a hot attitude. She removes associations with individuals whom she could do without.
 * Ki So-yu as young Kim Tae-joo.


 * Lim Ju-hwan as Lee Sang-joon
 * Go Kyung-min as young Lee Sang-joon
 * He is a famous entertainer. He is delicate, innovative, and savvy. He is likewise the oldest kin in his loved ones. Since he was a youngster, he has been cherished by his family profoundly. His family was once in the red, yet, after Lee Sang-joon became effective, he took care of their obligation and keeps on supporting them monetarily. During shooting for an acting task, Lee Sang-joon gets harmed and goes to the emergency clinic.


 * Lee Tae-sung as Cha Yun-ho
 * A documentary director called 'Wild Horse'. He has a cool personality, blunt, brave, and has no intention of getting married. He was a man who experienced a change in the values of marriage through many meetings with the person.


 * Kim Seung-soo as Shin Mu-young
 * Director of a small and medium-sized company. Mo-young graduated with a master's degree in Chemistry. He is a kind person and does not get angry, has a logical approach to dealing with problems.


 * Kim So-eun as Kim So-rim
 * The middle child of the Kim family and Kim Tae-joo's younger sister. A friendly and sociable person who gets along well with her sister. Kim So-rim is a beautiful pilates instructor whose sunny personality attracts others.


 * Lee You-jin as Kim Gun-woo
 * The youngest son and a doctor at the general hospital. However, when he gets caught up in an unexpected love affair in his life, he gets into a mess.

People around the three siblings

 * Jung Jae-soon as Choi Mal-soon
 * The grandmother of three siblings, has a clean and strict personality. She doesn't like Tae Joo.


 * Lee Kyung-jin as Yoo Jung-suk
 * Mother of three siblings and a strong and honest person. But feel sadness for Tae Joo.


 * Song Seung-hwan as Kim Hae-bok
 * Chef of 'Today's Curry' and father of Gun-Woo & So-Rim & Stepfather of Tae-Joo, has a warm and loving personality.

People around Lee Sang-joon

 * Kim Yong-rim as Yoon Gap-bun
 * Lee Sang-joon and Lee Sang-min's grandmother, Jang Se-ran's mother.


 * Chang Mi-hee as Jang Se-ran
 * Lee Sang-joon and Lee Sang-min's mother. She is not only beautiful and sophisticated but also smart-headed with artistic flair and business acumen, never give up.


 * Wang Bit-na as Jang Hyun-jung
 * University professor, columnist, fashion content creator and bright and groundbreaking who are often indifferent, but shows a desire to win when she is obsessed with it.


 * Moon Ye-won as Lee Sang-min
 * Lee Sang-joon's younger sister.


 * Min Sung-wook as Jang Young-sik
 * Cousin of Lee Sang-joon's mother. Son of brother of Yoon Gap-bun.


 * Jung Soo-young as Na Eun-joo
 * She is the cousin of eldest son Lee Sang-joon and is a hard worker who runs a photo studio with her husband and oversees management, public relations, renting clothes and even cleaning.


 * Ryu Ui-hyun as Jang Soo-bin
 * Bright personality and optimistic simplicity that makes life enjoyable. He is a source of energy. He is cousin of Lee Sang-joon & Lee Sung Min.


 * Jung Woo-jin as Jang Ji-woo
 * Jang Young-sik's second son & brother of Soo-Bin. He is the fifth cousin of Lee Sang-joon & Lee Sung Min.

Others

 * Kim Ji-an as Shin Ji-hye
 * The daughter of a wealthy family who is emotionally honest and doesn't know the world.


 * Yang Dae-hyuk as Jo Nam-soo
 * Employee who tend to work in large companies. Boyfriend of So-Rim who is cheating her.


 * Oh Ha-nee as Min Yu-ri
 * The only daughter of a wealthy family full of cuteness. Girlfriend of Gun-Woo who is cheating him.


 * Jang Hee-jung as Hoo Yong-sil
 * Former nurse Kim Tae-joo's medical school classmate and best friend.

Extended

 * Jeon No-min as Kim Myung-jae
 * Kim Tae-joo's uncle.


 * Go On as Bae Dong-chan
 * Lee Sang-min's boyfriend, an actor who pretends to be a prosecutor to marry Lee Sang-min. He cheats on Sang-Min on their wedding day.


 * Han Ji-wan as The person who threw an egg at Tae-joo
 * She used to bully Tae-joo.


 * Lee Se-young as Streamer
 * A suspicious TV streamer that Tae-joo saw.


 * Cha Ji-hoon as Hong Seok
 * The actor cast in the drama 'Black & White'.


 * Lee Ki-taek as Won Ji-hoon
 * He is the best friend of Cha Yun-ho and works with him.


 * Lee Seung-hyung as Wang Seung-goo
 * Sang-joon's manager.


 * Jung Gun-joo as Actor
 * Drama actor Sang-joon is playing.


 * Park Hee-soo as Jang Jae-won
 * Jang Se-ran's Korean-American grandson.


 * Ahn Ji-hye as Lee Jang-mi
 * Kim Kyung-hwa as Oh Hee-eun
 * The ex-wife of Shin Mu-young.


 * Kim Seon-hwa as Young-shik's mother

Production
The series, written by Kim In-young, is planned by KBS Drama Division and produced by GnG Productions. The first script reading of the cast was held in August 2022.