Name: Jana Cohen Gandía Age: 17 Gender: Female Personality: Confident, passionate, ambitious and outspoken. Jana is naturally charismatic and has strong leadership qualities, but underneath her pop-star confidence she can be insecure, stubborn and emotionally sensitive. She genuinely cares about her friends and wants to be taken seriously as a musician rather than simply being known as a famous teen pop star. She can be impulsive and jealous. Appearance: Jana has long, dark brown hair, usually worn loose with a slightly effortless, glamorous look. She has expressive brown eyes, defined brows and a youthful but polished appearance. Her style combines EWS's school uniform with accessories and contemporary pop-star clothing. She often has a confident, put-together appearance without looking overly formal. Musical talents: Lead vocalist, guitarist and pianist. She has extensive experience as a pop singer and wants to move toward more serious songwriting and musicianship. Groups: Rebelde / Sin Nombre; formerly associated with Sebas

Name: Estebán Torres / Estebán Colucci Age: 17 Gender: Male Personality: Intelligent, talented, quiet, kind-hearted and determined. Estebán initially appears reserved and mysterious, but he is actually caring and deeply emotional. He can become jealous, secretive and impulsive when overwhelmed by his personal problems. He is incredibly driven and has a strong sense of loyalty toward the people he cares about. Appearance: Estebán has dark brown hair, brown eyes and a relatively understated appearance compared with many of the wealthier EWS students. He generally wears his uniform neatly and doesn't heavily customize it. His simple style reflects his more humble background. Musical talents: Exceptional pianist, singer and songwriter. He has classical musical training and was talented enough to have opportunities outside Groups: Rebelde / Sin Nombre.

Name: María José “MJ” Sevilla Age: 17 Gender: Female Personality: Sweet, cheerful, energetic and compassionate, but also insecure and eager to fit in. MJ can sometimes lie or hide things because she desperately wants acceptance, particularly from her conservative family. Despite being somewhat naïve, she is musically ambitious and becomes increasingly independent throughout the series. She has a playful personality and genuinely cares about her friends. Appearance: MJ has long dark brown hair, warm brown eyes and a youthful, expressive face. Her style is initially influenced by her conservative upbringing and school uniform, but she gradually experiments more with fashionable and contemporary clothing as she becomes comfortable with herself. Musical talents: Strong vocalist with classical musical training. She also has an interest in contemporary and urban music despite her traditional musical background. Groups: Rebelde / Sin Nombre; later XY with Sebas.

Name: Guillermo “Dixon” Álvarez Age: 17 Gender: Male Personality: Friendly, funny, authentic, outspoken and loyal. Dixon has a rebellious exterior but is actually one of the more emotionally sensitive members of the group. He dislikes pretending to be someone he's not and has a strong sense of individuality. He's supportive of his friends. Appearance: Dixon has dark hair, brown eyes and a distinctive punk-inspired appearance. His fashion is unconventional, often mixing streetwear, punk influences and customized EWS clothing. His hairstyle and outfits are intentionally attention-grabbing and reflect his rebellious personality. Musical talents: Rapper, beatboxer and hip-hop performer. He dreams of becoming a successful rapper. Groups: Rebelde / Sin Nombre.

Name: Andrea “Andi” Agosti Age: 17 Gender: Female Personality: Tough, rebellious, sarcastic, independent and fiercely protective. Andi can initially come across as intimidating or arrogant, but beneath her hard exterior she is caring, affectionate and deeply loyal. She hates being controlled and refuses to conform to expectations. Music is one of the main ways she expresses emotions she struggles to communicate verbally. Appearance: Andi has dark hair, dark eyes and an edgy alternative appearance. Her style is heavily influenced by rock and punk fashion, with darker clothing, accessories and customized pieces. She often carries herself with a guarded, confident attitude. Musical talents: Highly skilled drummer and singer. She is particularly passionate about drums and is one of the strongest instrumentalists among the students. she also moves further into performing as a vocalist. Groups: Rebelde / Sin Nombre; later with Emilia.

Name: Sebastián “Sebas” Langarica Age: 17 Gender: Male Personality: Charismatic, competitive, entitled, calculating and extremely image-conscious. Sebas is accustomed to getting what he wants because of his family's political influence. He can be manipulative and selfish, especially when protecting his reputation, but he isn't completely emotionless. His insecurity about living under his powerful family's shadow drives much of his behavior. Appearance: Sebas has dark hair, brown eyes and a polished, conventionally attractive appearance. He dresses neatly and tends to maintain the image of a wealthy, EWS student. His appearance is carefully controlled because reputation is extremely important to him. Musical talents: Singer and performer. Groups: XY; The Lodge.