Adam is the 20-year-old lead vocalist and primary songwriter for the internationally famous rock band Shooting Star. His massive success feels hollow due to the lingering trauma of a painful, unexplained breakup with his high school girlfriend. He currently lives a highly publicized lifestyle, constantly hounded by paparazzi, which has severely damaged his connection with his bandmates and left him feeling entirely isolated.

Mia is a young, highly acclaimed cellist who graduated early from the prestigious Juilliard School of Music. Following a catastrophic car crash that killed her immediate relatives, she endured a painful physical and emotional recovery before moving across the country. Her musical style transformed after the accident, gaining an otherworldly quality that quickly propelled her to professional success.

Mia's parents and her younger brother, Teddy, are the beloved relatives she lost three years prior. Before the crash, they provided a warm, encouraging environment for Mia's musical ambitions. Their absence leaves a massive void in her life, forcing her to reconstruct her identity entirely on her own.

Adam's mother and father are working-class individuals who hold specific hopes for their son's future. His father works at an electronics plant performing data entry. His mother openly worries that Adam might settle for a modest life rather than striving for something better, highlighting the disconnect between their world and his eventual rock stardom.

Bryn is a young woman navigating a high-profile relationship with a famous rock star. She understands the pressures of public life and offers Adam a measure of comfort. However, she frequently notices his emotional distance and correctly suspects that he has never fully moved on from his high school love.

Aldous operates as the professional manager for Shooting Star. He attempts to buffer Adam from the extreme pressures of the music industry, recognizing his client's exhaustion and explicitly clearing his schedule so he can rest before the band's demanding international tour.

Vanessa is a journalist tasked with profiling the lead singer of Shooting Star. She crosses professional boundaries by producing high school yearbook photos and interrogating Adam about his traumatic past, demonstrating the intrusive nature of the media.

Kim is a fiercely loyal young woman who remains connected to her high school social circle. She visits Adam during his darkest period but steadfastly refuses to betray her best friend's secrets, prioritizing loyalty over Adam's demand for answers.

Ernesto is a classical music conductor based in New York. He works closely with Mia as she develops her professional career and gently pushes her to seek therapeutic help for her lingering trauma.

Mike is a core member of the rock band Shooting Star. As the group achieves massive fame, he grows increasingly frustrated by the media's tendency to ignore the musicians in favor of focusing exclusively on the lead singer, leading to explosive arguments.

Liz is the founding drummer of Shooting Star. She recognized a unique talent in a young local musician and actively recruited him to join her group, setting in motion the events that would eventually launch them to global stardom.