Main •
Jang Seo-hee as Min Deul-rae :A famous actress whose popularity is on the decline. Immature and spoiled by her mother, who does everything for her. She seeks revenge for her mother, who died while trying to protect her daughter from a stalker's assault. The police vehicle that would've saved her mother was involved in a multi-vehicle crash. •
Oh Yoon-ah as Kim Eun-hyang :Former corporate secretary and loving, yet overbearing, mother to her seven-year-old daughter Ah-reum. She seeks revenge for her daughter, who died in a house fire. Choo Tae-soo, her husband, had left their daughter sleeping with a lit candle. The fire truck that would've saved Ah-reum was involved in a multi-vehicle crash. •
Kim Ju-hyeon as Kang Ha-ri :An orphan who inherited her parents' stationery shop, and is raising her teenage sister. Now a widow, her husband died in a car accident on her wedding day. The ambulance carrying her husband to the hospital was overturned in a multi-vehicle crash. •
Kim Da-som as Yang Dal-hee / Sera Park :An ambitious antagonist. After being mistreated under Sera Park's employ, and an altercation which leaves Sera Park in a coma, Yang Dal-hee moves back to South Korea and assumes the identity of Sera Park. She is the ex-girlfriend of Seol Gi-Chan, and she stole his chamomile and sold it to Goo Se-kyung of Ruby Cosmetics. She is the one responsible for the multi-vehicle crash. She disowns her younger stepsister, Jin Hong-shi. She is intent on marrying Goo Se-joon, as he is the heir to Ruby Cosmetics. •
Lee Ji-hoon as Seol Gi-chan :A bright entrepreneur, he is the son of Ruby Cosmetics' Goo Pil-mo and his late wife, but was raised in an orphanage. His beauty serum derived from chamomile was stolen by his ex-girlfriend, Yang Dal-hee. •
Cho Yoon-woo as Goo Se-joon :The illegitimate son of Ruby Cosmetics chairman Goo Pil-mo and the maid, Ms. Lee. He leans heavily on his grandmother, Sa Goon-ja, for support. He later develops a crush on Kang Ha-Ri.
Supporting People related to Ha-ri •
Ahn Nae-sang as Na Dae-in (father-in-law) •
Hwang Young-hee as Go Sang-mi (mother-in-law) •
Sung Hyuk as Na Jae-il (deceased husband) •
Lee Jae-jin as Na Jae-dong (brother-in-law) •
Jin Ji-hee as Kang Ha-sae (sister) •
Oh Ah-rin as Jin Hong-si
People related to Deul-rae • Sung Byung-suk as Deul-rae's mother
People related to Eun-hyang •
Park Gwang-hyun as Joo Tae-soo :Eun-hyang's husband, who is having a secret affair with Go Se-kyung.
People related to Dal-hee •
Son Yeo-eun as Goo Se-kyung :The daughter of Goo Pil-mo, she is deputy director and heiress of Ruby Cosmetics. She has had an affair with Choo Tae-soo for three years, and is the mother of Jo Yong-ha, but largely neglects him. She targeted Seol Gi-chan by cutting the brakes on his car. Kim Eun-hyang holds her responsible for the death of Ah-reum, but later they become friends.
People related to Se-kyung •
Kim Soo-mi as Sa Goon-ja :The mother of Goo Pil-mo and Goo Pil-soon. She suspects Seol Gi-chan of being her long-lost grandson Se-hoo. •
Son Chang-min as Goo Pil-mo :The chairman of Ruby Cosmetics. He mourns his late wife, who died not long after his legitimate son, Se Ho, went missing. He falls in love with actress Min Deul-re, who is a dead ringer for his late wife. •
Byun Jung-soo as Goo Pil-soon :The fun-loving unmarried sister of Goo Pil-mo. She dotes on her pug, Juice. •
Song Jong-ho as Jo Han-sung :The husband of Goo Se-kyung, he was formerly a country boy, and also works at Ruby Cosmetics. • Kim Seung-han as Jo Yong-ha :The son of Goo Se-kyung and Jo Han-sung, he has a reactive autistic disorder that doctors believe stems from a lack of affection. He is largely ignored by his mother, yet close to his father and to his tutor, Kim Eun-hyung. •
Yang Jung-a as Lee Gye-hwa :The scheming maid and mother of Goo Se-joon. She is responsible for kicking Goo Se-ho out of the home when he was a child, and for the death of Sa Goon-ja.
Extended •
Kim Nam-hee as Choi Young-hoon •
Lee Ga-ryeong as Chae-rin •
Kim Jae-hyun as Jae-hyun •
Song Ha-yoon as Sera Park :A New Jersey-born chaebol daughter and Dal-hee's spoiled client, she was heavily injured in an altercation with the latter at her own house. Sera Park is later revealed to have regained consciousness, despite losing her sight. •
Jeon Soo-kyeong as Vicky Jung :The mother of the real Sera Park, she discovers Yang Dal-hee has assumed the identity of her daughter. •
Lee Yu-ri as Yeon Min-jung :The assistant of Vicky Jung and a friend of Chairman Geum. She knew all about Yang Dal Hee's crimes. And she came to the ambulance to pick up Sa Goon-ja in order not to be caught by Yang Dal-hee. == Production ==