Cristian's grandfather and mentor, Bunu encourages Cristian to pursue philosophy and poetry, even though it puts them at risk. He is bold and unafraid of the repercussions of speaking out against the regime, earning Cristian's admiration.

Cristian's classmate and romantic interest, Liliana is curious about American culture and dedicated to her family. She initially ends her friendship with Cristian but later recognizes his dedication to the revolution.

Cristian's friend from school who is initially suspected of informing the Securitate. Luca is kind and hopes to become a doctor; his support for the protests renews his friendship with Cristian.

Cristian's older sister and a seamstress, Cici is resourceful and caring. She is involved in the illicit market and participates in espionage, though her motivations remain unclear to Cristian.

Gabriel, Cristian's father, is a minor character with initially unclear anti-communist sentiments. Cristian's mother maintains strict control over the family's behavior, motivated by fear of the regime.

An American teenager who introduces Cristian to Western culture. Dan is friendly, giving Cristian American items, and is aware that his family is under surveillance.

An older teenager in Cristian's neighborhood who accesses and shares contraband goods. He is somewhat aloof but assists Cristian during crucial times in the rebellion.