bizarre horror movie fill with famous face but steal by cristina raines ( later of tv flamingo road ) a a pretty but somewhat unstable model with a gummy smile who be slat to pay for her attempted suicide by guard the gateway to hell . the scene with raines model be very well capture and the mood music be perfect and deborah raffin be charm a cristina pal and but when raines move into a creepy brooklyn height brownstone ( inhabit by a blind priest on the top floor ) and thing really start cooking . the neighbor and include a fantastically wicked burgess meredith and kinky couple sylvia mile and beverly dangelo and be a diabolical lot and and eli wallach be great fun a a wily police detective . the movie be nearly a cross pollination of rosemary baby and the exorcist but what a combination . base on the best seller by jeffrey konvitz and the sentinel be entertainingly spooky and full of shock bring off well by director michael winner and who mount a thoughtfully downbeat end with skill . half from .