

When a government official disappears in the London tunnels, after several reports of missing people in the same location, Scotland Yard start to take the matter seriously, along with a couple who stumble into a victim by accident.
Acting
Donald Pleasence's wonderfully irritable Inspector Calhoun.
Direction
Sherman's cramped, dripping tunnel cinematography.
Writing
The heartbreaking 'Mind the doors' finale.

Director
Gary Sherman
Trivia, insights & behind the scenes
Christopher Lee demanded and got paid more for his single scene than the entire rest of the cast combined.
Sherman, a Chicago art student, saw British class cruelty clearer than most UK directors—the cannibals are abandoned Victorian workers' descendants.