A badly burned man recovering in an abandoned Italian monastery at the end of World War II. He suffers from amnesia, claiming to have forgotten his name and nationality, though his accent leads others to assume he is English. He carries a worn copy of Herodotus's *The Histories* filled with his own notes and clippings. His past involves extensive knowledge of North African desert cartography and a deep fondness for Bedouin culture.

A 20-year-old Canadian nurse who remains stationed at the Villa San Girolamo after her unit moves on. She refuses to leave her final patient, focusing entirely on his care and on tending the villa's ruined gardens. Exhausted by the violence of the war, she seeks isolation and relies on reading books to escape her harsh reality.

An Italian-Canadian man with severely bandaged hands who knew Hana before the war. Before enlisting, he worked as a professional thief in Toronto, a skill the Allied forces later utilized for intelligence gathering. He suffers from a morphine addiction and harbors deep physical and emotional wounds from his recent imprisonment.

An Indian Sikh serving as a sapper in the British army. He specializes in defusing unexploded bombs left behind by retreating troops. He sets up a tent in the villa's garden and approaches his dangerous work with strict discipline and intense focus. He possesses a strong appreciation for Western art and music.

A young British woman who accompanies her husband on an expedition to map the North African deserts in 1936. She possesses an independent spirit and a deep love for literature, often reading aloud to the expedition group. Her presence disrupts the purely professional dynamic of the male-dominated cartography team.

A young, enthusiastic Englishman who joins the desert expeditioners in 1936. He owns his own small plane, which he uses to travel to and from the expedition sites. He maintains a cheerful demeanor but often seems out of place among the more seasoned desert explorers.

An experienced desert explorer with the Royal Geographical Society. He partners with the English patient to search for the lost oasis of Zerzura and map the North African terrain. He values literature and poetry, maintaining a steady, grounded presence in the harsh environment.

An affable English aristocrat who leads a specialized bomb disposal unit. He selects Kirpal Singh to join his team and introduces him to English customs, treating him with fairness and respect. He creates a family-like atmosphere for his small group of engineers as they travel across England disarming threats.

Hana's father, a Canadian man who went to fight in the war. He possesses a shy, sentimental nature and lacks the traditional aggression found in many soldiers. His memory heavily influences Hana and Caravaggio's actions at the villa.

An English soldier serving as Kirpal Singh's second-in-command in the sapper unit. He assists Kirpal in defusing dangerous unexploded bombs and treats him with consistent respect. He provides a steady, reliable presence during highly stressful operations.

Lord Suffolk's secretary, who assists with the experimental bomb disposal unit. She maintains a warm, welcoming presence and forms an early bond with Kirpal Singh, representing one of his first meaningful connections with an Englishwoman.

Hana's stepmother back in Canada. She sends continuous correspondence to Hana throughout the conflict, attempting to maintain their family connection despite the geographical distance and Hana's silence.

The girlfriend of a German officer in Italy. She inadvertently takes a photograph of Caravaggio during a party, forcing him to break into her room to retrieve the film, which sets off a chain of dangerous events.

The chauffeur for Lord Suffolk's experimental engineering unit. He drives the team to various bomb sites across the English countryside and operates as a trusted member of Lord Suffolk's close-knit professional family.

An Italian interrogator who directs the torture of Allied prisoners. He orchestrates the brutal mutilation of Caravaggio's hands during an interrogation session before the Allied forces liberate the city.