The Keep is a 1983 horror film directed by Michael Mann and starring Scott Glenn, Gabriel Byrne, Jürgen Prochnow, Alberta Watson and Ian McKellen. It was released by Paramount Pictures. The story is based on the F. Paul Wilson novel of the same name, published in 1981. Like, share, and subscribe to Horrorama Movie Trailers for more of your favorite horror, science fiction, fantasy, and cult movie trailers! #MichaelMann #TangerineDream #IanMcKellen #ScottGlenn #JurgenProchnow #GabrielByrne #TheKeep