
…It Will Hold You in its Spell! A hypnotist uses his powers for revenge against King Louis XV’s court.
Does Black Magic have end credit scenes?
No!
Black Magic does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of Black Magic, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Orson Welles
Joseph Balsamo aka Count Cagliostro

Valentina Cortese
Zoraida

Raymond Burr
Alexandre Dumas, Jr.

Margot Grahame
Mme. du Barry

Berry Kroeger
Alexandre Dumas, Sr.

Akim Tamiroff
Gitano

Ronald Adam
Court President

Silvana Mangano
(uncredited)

Charles Goldner
Dr. Franz Anton Mesmer

Harriet Medin
(uncredited)

Robert Atkins
King Louis XV

Nicholas Bruce
De Remy

Joop van Hulzen
Minister of Justice

Frank Latimore
Gilbert de Rezel

Leonardo Scavino
Gaston / Beniamino Balsamo (as Leon Lenoir)

Rosina Galli
(uncredited)

Franco Corsaro
Chico

Giuseppe Varni
Boehmer

Nancy Guild
Marie Antoinette / Lorenza

Stephen Bekassy
Viscount de Montagne

Gregory Gaye
Chambord / Monk (as Gregory Gay)

Lee Kresel
King Louis XVI / Innkeeper

Annielo Mele
Joseph Balsamo as a Child

Bruce Belfrage
Crown Prosecutor

Alexander Danaroff
Dr. Duval / Baron von Minden

Tamara Shayne
Maria Balsamo

Peter Trent
Dr. Mesmer's Friend

Tatyana Pavlova
Grieving Mother

Valentino Bruchi
(uncredited)

Ludmilla Dudarova
(uncredited)

Filippo Minelli
(uncredited)

Michele Sakara
(uncredited)

Milly Vitale
(uncredited)

Nicholas Soussanin
(uncredited)
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Challenge your knowledge of Black Magic with this fun and interactive movie quiz. Test yourself on key plot points, iconic characters, hidden details, and memorable moments to see how well you really know the film.
What is the real name of the man who assumes the title Count Cagliostro?
Joseph Balsamo
Pierre Duval
Henri Lafitte
Louis Moreau
Show hint
Read the complete plot summary of Black Magic, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
Joseph Balsamo, Orson Welles, known as Count Cagliostro, unfolds through a series of flashbacks that trace a complex rise from hardship to notoriety. The tale begins with a French gypsy boy who endures sieges of cruelty—tortured under Viscount de Montaigne, Stephen Bekassy and doomed when his parents are ordered to hang. He is saved by a band of gypsies led by Gitano, Akim Tamiroff, and he swears revenge against the Viscount, fanning the flames of a restless, calculating ambition. This origin sets the stage for a life shaped by illusion, manipulation, and a hunger for power that will soon be fueled by science’s newest frontier.
As years pass, the young man encounters the hypnotic arts of Dr. Mesmer, Charles Goldner, whose work he initially misreads as mere trickery. Rather than healing, he seizes the method as a weapon, bending minds and bending fate to his will. Adopting the name Count Cagliostro, he becomes a dazzling figure across continental courts, rich in wealth and prestige, renowned for the uncanny control he wields over others. It is this ascent, built on charisma and a dangerous new skill, that brings him into a perilous alliance of aristocrats and conspirators. The plot thickens when de Montaigne teams with Madame du Barry, Margot Grahame, to pull off a daring ruse: Lorenza, Nancy Guild, will impersonate Queen Marie Antoinette to obtain a fabled necklace and tilt the balance of power in their favor. The scheme binds together a web of envy, romance, and deception, with Zoraida, Valentina Cortese, at its center as she grapples with jealousy of Lorenza’s growing influence over Cagliostro.
The narrative follows Lorenza’s fraught entanglement with Cagliostro, as well as the chaotic love triangle that forms around her. Gilbert, Frank Latimore, tries to protect or rescue Lorenza as she is drawn deeper into Cagliostro’s orbit, and the plot ultimately culminates in a spectacular collapse of Cagliostro’s carefully constructed world. The actions of the conspirators coincide with a turning point in the French court: King Louis XV, Robert Atkins, dies, and Marie Antoinette ascends to influence, a shift that intensifies the pressure on Cagliostro and his schemes. The queen’s response to the threat looming over her reputation becomes decisive, and the stage is set for a confrontation that could undo them all.
Zoraida confronts the unfolding deception by bringing Lorenza before Marie Antoinette to reveal the web of lies surrounding Cagliostro’s plot. Lorenza, initially willing to testify, is nonetheless subjected to Cagliostro’s chilling power, and even the venerable Dr. Mesmer’s influence seems to tilt toward salvation for the cunning hypnotist. A dramatic moment arrives when Mesmer uses a tangible symbol—the necklace itself—to force Cagliostro to confess, breaking the spell that has sustained him. Yet the climactic chase continues, with Cagliostro waking from trance and escaping alongside the hypnotized Lorenza. In the end, Gilbert closes the pursuit by confronting Cagliostro in a sword fight, delivering the final, fatal blow that ends the Count’s long and infamous masquerade.
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