Ruritania is the fictional country where the story unfolds, known for its rich history and political intrigue.

Rudolf Rassendyll, an English gentleman, finds himself thrust into a dangerous adventure when he is mistaken for King Rudolf V.

Princess Flavia is the beautiful and intelligent daughter of King Rudolf V, who becomes romantically involved with Rudolf Rassendyll.

Rupert of Hentzau is the main antagonist, a ruthless and scheming individual who seeks to seize power in Ruritania.

Colonel Sapt is a loyal and skilled soldier who becomes Rudolf's trusted confidant and helps him navigate the dangers of Ruritania.

Zenda Castle is the ancient and imposing fortress where King Rudolf V is held captive by Rupert of Hentzau.

The Black Passage is a hidden and treacherous tunnel that provides access to the dungeons of Zenda Castle.

The Sword of Rassendyll is a legendary weapon that Rudolf inherits from his ancestors and uses to fight against his enemies.

The Black Hand is a secret society of criminals and conspirators led by Rupert of Hentzau.

The Treaty of Strelsau is a peace agreement between Ruritania and Moldavia, negotiated by Rudolf Rassendyll.

The climactic duel between Rudolf Rassendyll and Rupert of Hentzau takes place in the streets of Zenda, the capital city of Ruritania.

Michael Elphberg, a seemingly loyal subject of King Rudolf V, is ultimately revealed to be the mastermind behind the conspiracy against the king.

Fritz von Tarlenheim, a loyal friend of Rudolf Rassendyll, sacrifices his own life to protect Rudolf from Rupert of Hentzau's deadly trap.

Rudolf Rassendyll, after successfully defending Ruritania from Rupert of Hentzau's schemes, is crowned as the new king of the country.

Rudolf Rassendyll, the protagonist of the story, also serves as the narrator, recounting his experiences and adventures in Ruritania.