A visitor to Oran who records detailed observations of city life and becomes integral to the formation of voluntary sanitary squads. He is driven by a deep opposition to injustice and seeks personal redemption through his actions during the plague.

A journalist in Oran separated from his wife in Paris, whose initial focus is on escaping quarantine to reunite with her. Over time, he becomes more involved in the fight against the plague, illustrating a shift from personal to collective responsibility.

A modest government clerk and aspiring writer, known for his dedication to perfecting the first sentence of his novel. He is a quiet but essential participant in the city's response to the plague, embodying the spirit of understated heroism.

A secretive and enigmatic figure who initially attempts suicide but later capitalizes on the chaos of Oran's plague by engaging in illegal activities. His behavior reflects self-interest and growing paranoia as the situation evolves.

A devout Jesuit priest in Oran who delivers powerful sermons and becomes actively involved with the sanitary squads during the plague. His religious interpretations of the epidemic challenge and console the citizens in varying measures.

A stern and conservative police magistrate known for his formal demeanor, who experiences personal transformation following a family tragedy during the plague. His character exemplifies the impact of the epidemic on personal and social behavior.

A long-term patient of Dr. Rieux, known for his quirky habit of transferring peas as a way to mark time. He provides occasional insightful commentary, representing a blend of absurdity and wisdom in his interactions with the world.