Father Brown

The arch-criminal who steals the cross and constantly tests Father Brown. He embraces disguises and theatrics, matching wits with the priest and using charm to stay one step ahead. His confidence masks a playful, calculating nature.

A devout priest-detective whose calm demeanor hides a razor-sharp intellect. He uses deduction, psychological insight, and a dash of humor to outwit Flambeau. His goals are noble, and his ingenuity drives the plot toward justice.

An aristocratic patron of the arts who hosts social events and the pivotal auction. She becomes an ally to Brown, using social influence and wit to steer the course of the chase. She exudes charm and strengthens Brown’s strategy against Flambeau.

A church authority who confirms Brown’s true identity and facilitates his freedom. He represents institutional support and the moral backbone behind Father Brown’s investigations.

Runs the crucial auction where Flambeau disguises himself as the porter to steal and later return the set as a matter of pride. The scene showcases how social events can be manipulated in a caper.

England’s police inspector tracking the moves of Flambeau and Brown, providing a counterpoint to the thieves’ schemes. His persistence adds pressure to resolve the case.

A French inspector who accompanies the pursuit across borders, contributing to the international nature of the investigation.