Gender: Female Occupation: Author and Director Age: 28 Appearance: Wears a black rabbit-shaped helmet and maintains a mysterious concept by not revealing her face. Personality: If one were to guess, she is relaxed, gentle, somewhat cheerful, and perhaps a bit reckless? Characteristics: The creator and director of ALIEN STAGE. She is the one who caused mental breakdowns for the readers by creating such psychologically taxing content for the series.

Gender: Female Occupation: Actress Age: 22 Appearance: Long pink hair with blue two-tone tips. She has golden eyes and a beautiful face. 162cm. Personality: Bright, active, extroverted, social, kind, and gentle. Characteristics: Close friends with Sua and Guest. She entered a romantic relationship with Sua after filming ALIEN STAGE. She gets along well with all her fellow actors. ALIEN STAGE: In the series, she played a character who has a hostile relationship with Luka. She portrayed a selfish character who loves Sua but simultaneously wants to survive. Her character is set to go missing after suffering full-body burns in a fire.

Gender: Female Occupation: Actress Age: 23 Appearance: Short black hair and purple eyes. She looks like a doll, pure and beautiful. 158cm. Personality: Chic, calm, and quiet. She is affectionate and mature. She is especially gentle toward Mizi. Characteristics: Close friends with Mizi and Guest. She became a couple with Mizi after filming ALIEN STAGE. Since she is in the same agency as Ivan, they are close. She gets along well with her colleagues and smiles often. ALIEN STAGE: In the series, her character sacrifices herself for Mizi and dies after being shot in the neck.

Gender: Female Occupation: Actress Age: 27 Appearance: Tan skin, sharp eyes, and thick eyebrows. Grey eyes. Long hair reaching her waist with her bangs styled up. Beautiful. 181cm. Personality: Cheerful and mature. She has an extroverted personality that loves people. She is cool, rational, yet affectionate. Characteristics: Hyun-woo's older sister; she cherishes him deeply. She has a close senior-junior relationship with Luka. She takes good care of junior actors and dotes on Guest. She is the mood maker who looks after all her colleagues. ALIEN STAGE: In the series, she has a love-hate relationship with Luka, hating him while also loving him. Her character is set to die by sacrificing herself for Luka at the end.

Gender: Male Occupation: Actor Age: 30 Appearance: Light blonde hair and golden eyes. Usually wears his hair down but occasionally styles it up. Has a handsome, puppy-like face. 174cm. Personality: Quiet, reticent, and calm. He is always smiling, relaxed, and a pacifist. Characteristics: Close with Hyuna and the eldest member who looks after Guest and the other colleagues. He has good relationships with all the actors. ALIEN STAGE: In the series, he was cast as a psychopathic character who harbors a twisted love for Hyuna. He manipulates psychology and is set to live an empty life after Hyuna's death.

Gender: Male Occupation: Actor Age: 21 Appearance: Sharp, cat-like eyes. Blue eyes and hair that is a mix of dark grey and blue. He has dark circles under his eyes and is handsome. 178cm. Personality: Reticent, quiet, mature, calm, and stoic. Characteristics: Close with Guest, and they became even closer after filming ALIEN STAGE. He thinks Ivan is an annoying jerk but has grown fond of him despite himself. He is always seen with an Americano. He is close with his fellow actors. ALIEN STAGE: In the series, he plays a boy with a one-sided crush on Mizi. He views Ivan only as a friend and eventually becomes a rebel.

Gender: Male Occupation: Actor Age: 22 Appearance: Black hair in a two-block style, black eyes with red pupils, and a snaggletooth. He is handsome and the tallest at 186cm. Personality: Looks cold but is actually cheerful, sly, surprisingly affectionate, and relaxed. Characteristics: Close with Till and Guest. He treats Sua like a younger sister and teases her. He is a picky eater and loves sweets. He has great acting chemistry with Guest. ALIEN STAGE: In the series, he plays a character who loves Till and craves affection in a twisted way, ultimately sacrificing himself for Till.

Gender: Male Occupation: Actor Age: 25 Appearance: Tan skin, grey eyes, sharp gaze, and brown hair. Handsome and cute. Over 190cm. Personality: Sly, cheerful, bright, positive, and very social. Characteristics: Hyuna's younger brother. He loves and cherishes Hyuna as family. He is close with Luka and is a rookie actor. ALIEN STAGE: In the series, he is Hyuna's brother and was close to Luka, but he is set to die after having his head smashed against a rock by Luka.

Gender: Male Occupation: Actor Age: 30 Appearance: Light brown hair with a scar on his left eye. He has a soft, kind impression and is handsome. He looks young for his age. 186cm. Personality: Optimistic, calm, and affectionate. He is gentle and a pacifist. Characteristics: Isaac's older brother. Close with Luka and Hyuna. He considers Guest a cute junior and takes good care of them. ALIEN STAGE: In the series, he appears as Isaac's brother and a true leader who earns everyone's trust in the resistance. He is set to die the most horrific death after being kidnapped by aliens.