Dark Tower is a 1987 horror film directed by Freddie Francis and Ken Wiederhorn and starring Michael Moriarty, Jenny Agutter, Theodore Bikel, Carol Lynley, Kevin McCarthy and Anne Lockhart.
It was set and filmed in the Spanish city of Barcelona from a story by Robert J. Avrech.
Plot[]
After a window washer plunges to his death from a Barcelona high rise, several people come to investigate, including security consultant Dennis Randall (Michael Moriarty). He cannot locate a problem, but decides to investigate further when more gruesome deaths take place inside and around the office building. His investigations prove that there is a sinister force behind all the deaths, a supernatural entity, that hates humans.