The eldest son of King Henry IV and the heir apparent to the English throne. Known affectionately as Hal to his tavern companions, he intentionally squanders his royal reputation by carousing with thieves and vagabonds. Beneath this carefree exterior lies a calculating young man who plans to eventually reform his behavior to shock and impress the court.

The current monarch of England who recently took the throne by deposing his cousin Richard II. The guilt of his violent rise to power weighs heavily upon him, leaving him exhausted and anxious to unite his fractured country. He struggles to maintain control over the rebellious nobles who once helped him claim the crown while despairing over his eldest son's wayward behavior.

A fierce military commander from the powerful Percy family. Nicknamed Hotspur for his volatile temper and eagerness for battle, he represents the traditional martial virtues that Prince Hal currently lacks. He feels deeply disrespected by King Henry IV and prioritizes his family's honor above all else, making him a dangerous threat to the crown.

An old, overweight, and hedonistic knight who serves as the unofficial leader of a band of tavern rogues. He views honor as a meaningless concept, preferring to focus on self-preservation, drinking, and securing easy money through petty theft. Despite his glaring flaws, his sharp wit makes him a central figure in Hal's life away from the court.

A formidable Welsh leader who commands a fierce reputation and deeply believes in his own supernatural abilities. He claims the earth shook and the sky burned at his birth, establishing himself as a figure of Celtic mysticism. He commands significant military forces but clashes with those who dismiss his boastful nature.

Sir Henry Percy's uncle and a primary architect of the impending rebellion. Shrewd and resentful, he feels that King Henry IV has failed to adequately reward the Percy family for placing him on the throne. He is highly manipulative and willing to steer his nephew into open conflict to secure their family's standing.

The patriarch of the Percy family and a powerful northern nobleman. Having previously aided King Henry IV in taking the throne, he now harbors deep frustrations over the king's dismissive treatment of his family. He supports his son and brother in their initial plans to challenge the crown.

A nobleman with a strong hereditary claim to the English throne, currently held captive by Welsh forces. His captivity sparks major political friction, as King Henry IV refuses to ransom him due to his rival claim to the crown. He attempts to bridge the cultural divide between his English family and his new Welsh allies.

A fearsome Scottish military commander initially defeated by Sir Henry Percy but later won over to the rebel cause. He is highly aggressive and seeks to prove his martial superiority by targeting the king directly in combat.

A loyal and trusted nobleman serving King Henry IV. He acts as a key messenger between the king and the rebel forces, demonstrating unwavering dedication to the crown by putting himself in danger to protect the king.

A regular at the Boar's Head Tavern and one of Prince Hal's closest companions. He is cunning and enjoys orchestrating elaborate pranks, particularly those designed to expose Sir John Falstaff's cowardice and vanity.

The younger son of King Henry IV. Unlike his wayward older brother, he remains firmly entrenched in court life and assumes significant military responsibilities for the crown at a young age.

A steadfast nobleman and advisor loyal to King Henry IV. He assists the king in managing the realm's military operations and coordinates with the royal family as the rebellion escalates.

The hostess of the Boar's Head Tavern in Eastcheap. She attempts to run a respectable establishment but constantly contends with the chaotic behavior of Prince Hal, Sir John Falstaff, and their companions, frequently arguing with Falstaff over his unpaid debts.

A prominent member of Sir John Falstaff's thieving entourage. Known for his severely flushed, red face, he is a frequent target of jokes and insults from both Falstaff and Prince Hal.

A member of the tavern crew who participates in the highway robbery and helps cover for Falstaff's lies. He frequently runs errands for Prince Hal once the prospect of war arises.

The informant for Falstaff's gang of thieves. He gathers information on vulnerable travelers and helps orchestrate the highway robbery before fleeing at the first sign of trouble.

Sir Henry Percy's wife and the sister of Edmund Mortimer. She is observant and deeply frustrated by her husband's secrecy as he prepares for war. Though their interactions are brief and marked by witty banter, she clearly cares for his well-being.

The daughter of Owen Glendower and the wife of Edmund Mortimer. She speaks only Welsh, relying on her father to translate her words for her English-speaking husband. Despite the language barrier, she expresses deep devotion to him through song and tears.

An ally to the Percy family who provides crucial military intelligence. He attempts to offer cautious and realistic advice to the impulsive rebel leaders regarding their readiness for battle.

A powerful clergyman who secretly supports the Percy rebellion. Aware that the king knows of his involvement, he anxiously prepares for the possibility of the rebels' failure.

An associate of the Archbishop of York who assists in coordinating communications for those preparing for the fallout of the rebel campaign.