
Robert Louis Stevenson’s chilling tale of terror follows the malevolent Alain, who devises an intricate plan of revenge against his innocent younger brother Edmund. Their rivalry spirals into a grim, deadly confrontation inside Alain’s concealed dungeon, a lethal death‑trap awaiting its victims.
Does The Strange Door have end credit scenes?
No!
The Strange Door does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of The Strange Door, 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.

Alan Napier
Count Grassin

Boris Karloff
Voltan

Charles Laughton
Sire Alain de Maletroit

George Calliga

Paul Cavanagh
Edmond de Maletroit

Michael Pate
Talon

Mary Bayless

Harry Cording

Franklyn Farnum

Morgan Farley
Renville

Frank O'Connor

Barry Norton

Patrick Whyte

William H. O'Brien

Richard Wyler
Denis de Beaulieu

Scott Seaton

Ellinor Vanderveer

Forbes Murray

Eddie Parker

Herbert Evans

Jack Chefe

Charles Horvath

George Bruggeman

Sally Forrest
Blanche de Maletroit

Joe Phillips

Marion Gray

Forrest Burns

Monique Chantal

Tao Porchon
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Challenge your knowledge of The Strange Door 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.
Which brother holds a grudge against his sibling and imprisons him for twenty years?
Alain de Maletroit
Edmond de Maletroit
Denis de Beaulieu
Count Grassin
Show hint
Read the complete plot summary of The Strange Door, 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.
In a shadowy Gothic maze of power and revenge, Alain de Maletroit nurses a long-simmering grudge against his younger brother, Edmond de Maletroit, who once stole Alain’s childhood sweetheart—the woman who died giving birth to Edmond’s daughter, Blanche. Wielding control and silence like weapons, Alain quietly imprisons Edmond in his dungeon for two decades and persuades Blanche that her father is dead, severing any hope of reunion.
Driven by a desire to break Blanche’s spirit as further payback, Alain engineers a cruel ploy: he tempts a debauched, high-born rogue, Denis de Beaulieu, into believing he has murdered a man, then lures him toward the Maletroit estate. Denis slips into the château through an exterior door that lacks an interior latch, and Alain seizes the opportunity to make him Blanche’s husband, a union she neither desires nor can resist without constraint.
Meanwhile, Edmond, recognizing the danger to Blanche, directs the family’s enigmatic servant Voltan to kill Denis before the wedding can take place. But Denis, showing unexpected courage and humanity, reveals a noble side that Blanche begins to see beyond his roguish facade. She pleads with Voltan to spare Denis’s life, and Voltan, moved by her appeal, helps him escape rather than fulfill the grim order.
Despair gives way to a fragile hope when a newlywed pair—Denis and Blanche—seek a path to freedom. Their plan gains a boost when Count Grassin, a dignified aristocrat who once crossed paths with Blanche’s world, offers his aid. They imagine a dramatic escape by carriage, racing toward a horizon where their love could flourish. Tragically, the supposed escape carriage contains the Count’s lifeless body, murdered by the calculating Talon, a detail that shatters their hope and tightens Alain’s grip.
A cemetery confrontation fans the flames of danger, and the trio is captured once more and returned to the castle. [Voltan] fights on their behalf, taking a bullet and wounding two of Alain’s men, buying precious seconds that allow Edmond, Blanche, and Denis to cling to the possibility of escape. Yet Alain’s crushing death-trap—the waterwheel—stands as the ultimate test of their resolve: he locks the stone cell and begins to press the walls inward, threatening to crush them all.
In a burst of desperate valor, Voltan grapples with Alain and wrests the key to the dungeon free. The plan depends on a fleeting, heroic rescue, as Voltan fights through guards and, with his life fading, passes the key to Denis de Beaulieu just as the walls begin to close again. The trio—Denis, Blanche, and Edmond—seize the moment and escape the cell, stepping into an uncertain future that hinges on their courage and the fragile mercy of a man who once believed he could control every outcome.
With the path cleared, Denis and Blanche choose to remain together, embracing the bond they forged under strain and danger. In the castle’s closing act, Edmond, ever the patient conspirator of this grim saga, has the peculiar door that facilitated so much danger removed from the château, signaling a quiet end to a complicated, perilous chapter. The tale closes not with a triumphant flourish, but with a hard-won sense of newfound autonomy for those who dared to defy a cruel design and risk everything for love, truth, and a life they could claim as their own.
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