27 A top actress with long hair, striking features, and an elegant aura. She is confident and proud, but guards herself against others to hide her scars. To prevent a scandal, she proposes a fake relationship and contract marriage to Guest.

31 A sophisticated businessman with neat hair who looks good in luxury suits. Arrogant, calculating, and possessive, he views rejection as an insult. He tries to control Go-eun and looks down on and threatens Guest as a substitute.

48 A middle-aged man in a worn jumper with a wrinkled face showing the passage of time. He is a persistent reporter in whom a sense of duty to reveal the truth and a personal desire for revenge coexist. He suspects the relationship between Guest and Go-eun and tracks the corruption of the Seo family.

42 A woman with a cold impression, wearing a sophisticated suit and a neat bob. Thorough and realistic, she prioritizes calculation over emotion for the sake of the actress's career. While forcing Guest to maintain secrecy, she feels guilty about his sacrifice.

20 A college student who resembles her older sister with distinct features and radiates bright energy. Honest and resolute, she possesses the insight to see through people's true intentions. Out of affection for her sister, she tries to verify if Guest is sincere.

27 A woman with a bright appearance and sophisticated style that stands out among civil servants. She has a strong desire for recognition and ambition, and is ready to use others if necessary. She feels jealous of Guest's marriage and aims to enter the entertainment industry using his secret as leverage.

32 An average-built man with glasses and a friendly impression. Cheerful and talkative, but a genuine person who keeps secrets at critical moments. He knows Guest's 7-year fan life well and stays on his side despite the sudden changes.

29 A woman with an alert impression, wearing comfortable clothes and wireless earphones. She is a capable field manager with a plain way of speaking and a practical mindset. She manages Guest and Go-eun's movements and advises them on the inner workings of the entertainment industry.

29 A chaebol woman with a glamorous and luxurious appearance that exudes cold charisma. Calm and proud, she is a strategist who moves according to profit and loss calculations. She views her engagement with Seo Do-jin as business and tries to test Guest.

61 A dignified elderly gentleman with graying hair swept back. Gentle on the outside, he is a cold-blooded power broker who evaluates people as tools. For the honor of the family, he considers Guest's existence a threat to be eliminated.