The Oblong Box is a 1969 British gothic horror film directed by Gordon Hessler, starring Vincent Price, Christopher Lee and Alister Williamson.

In 1865 England, having been disfigured in an African voodoo ceremony for a transgression against the native populace, Sir Edward Markham is kept locked in his room by his guilt-ridden brother, Julian.

Aided by family lawyer Trench, he hires witchdoctor N'Galo to concoct a drug to put Sir Edward into a deathlike trance.

Embarrassed by his brother's appearance, Julian asks Trench to find a proxy body for Sir Edward's lying in state.

After the wake, Trench and his young companion Norton, dispose of Hacket's body in a nearby river, while Julian has Sir Edward buried.

Suspecting his associates betrayed him, Sir Edward conceals his face behind a crimson hood and, searching for the witchdoctor, embarks on a vengeful killing spree.

Sir Edward then learns the truth about his time in Africa: in a case of mistaken identity he was punished for Julian's crime of killing a child.

Mistrusting Neuhartt's medical treatment, Sir Edward slits his throat and sets off to confront his brother.

When she asks what he is doing in there, he says that it is his room, and turns to reveal that his face is becoming disfigured – Edward's bite passed on the disease to Julian.

Price, Davies and Dwyer had recently appeared in Witchfinder General, under the direction of Michael Reeves, and on 18 November 1968, the four also began work on the Oblong Box.

[5] With the help of Christopher Wicking, he reworked the screenplay to incorporate the theme of imperial exploitation of native peoples in Africa.

Although he has the largest amount of screen time, more than either Price or Lee, his real voice is never heard (it was redubbed by another actor) and his face is covered for the majority of the film.

[7] A. H. Weiler of The New York Times wrote, "The British and American producers, who have been mining Edgar Allan Poe's seemingly inexhaustible literary lode like mad, now have unearthed The Oblong Box to illustrate once again that horror can be made to be quaint, laughable and unconvincing at modest prices.