Glamorous Temptation

• Joo Sang-wook as Jin Hyeong-woo
  • Nam Joo-hyuk as young Jin Hyeong-woo

Hyeong-woo is a man who lives for revenge, as he vows to take revenge against those who drove his father to death when he was still a teenager.

• Choi Kang-hee as Shin Eun-soo
  • Kim Sae-ron as young Shin Eun-soo.

Despite facing a cruel fate, where she is framed for crimes she did not commit and left a widow after her husband dies at a young age, Eun-soo proves to be a strong woman as she strives on to be a good single mother to her young daughter.

• Cha Ye-ryun as Kang Il-joo
  • Kim Bo-ra as young Kang Il-joo

Initially known by the name Sang-yi, Il-joo was born to her father's mistress. After her foster mother's death, II-joo is brought under the care of Hyeong-woo's family, who raise her as a close relative. She falls in love with Hyeong-woo, but gets extremely jealous when her close friend Eun-soo and Hyeong-woo fall for each other. She eventually takes matters into her own hands, betraying her friend and eventually rises up as a presidential candidate.

• Jung Jin-young as Kang Seok-hyun

• Kim Byung-se as Hyeong-woo's father
• Na Young-hee as Hyeong-woo's mother

• Jung In-gi as Eun-soo's father
• Kim Mi-kyung as Eun-soo's mother
• Kim Hyung-kyu as Shin Bum-Soo, Eun-soo's brother
• Lee Jae-yoon as Hong Myung-Ho, Eun-soo's husband
• Kal So-won as Hong Mi-Rae, Eun-soo's daughter

• Jung Jin-young as Kang Seok-hyun, Il-Joo's father
• Kim Pub-lae as Kang Il-Do, Il-Joo's elder brother
• Park Jung-ah as Lee See-young, Il-Do's wife
• Jang Young-nam as Kang Il-Ran, Il-Joo's elder sister
• Yoon-Soo as Kang Yoo-Gyung, Il-Do's daughter

• Kim Ho-jin as Kwon Moo-Hyuk, Il-Joo's husband
• Cho Yeon-woo as Kwon Joon-Hyuk, Moo-Hyuk's brother
• Kim Chang-wan as Kwon Soo-Myung, Moo-Hyuk's father