
The film is a 125-minute, black-and-white biography of French priest and diplomat Charles Maurice de Talleyrand-Périgord (1754–1838), who served for 50 years under five different French regimes: the Absolute Monarchy, the Revolution, the Consulate, the Empire, and the Constitutional Monarchy. Its title comes from one of the main historical nicknames for Talleyrand, that he shares with demon king Asmodeus and English poet Lord Byron.
Talleyrand

Madame Grand

Emperor Napoléon I

Marie-Thérèse Champignon

Palmist

Duchess of Dino

Voltaire

King Louis XVIII

King Charles X

King Louis-Philippe

Count of Montrond

Caulaincourt

Duke of San Carlos

Randall

Baron of Humboldt

Baron of Nesselrode

Lord Castelreagh

Lord Grey

Lord Palmerston

General de La Fayette

Don Juan d'Azcona

Don Basile in “The Barber of Seville”

Figaro in “The Barber of Seville”

Bartholo in "The Barber of Seville"

Lackey (uncredited)

Princess of Chalais (uncredited)

Pauline de Dino (uncredited)
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Count of Remusat (uncredited)

Spanish woman (uncredited)

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Rosine (uncredited)

Abbot Dupanloup (uncredited)

Guest in white (uncredited)

Companion (uncredited)

Count of Roederer (uncredited)
Ferdinand VI (uncredited)

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Lackey (uncredited)

Marquis de la Tour (uncredited)

Prince de Polignac (uncredited)

Doctor (uncredited)
