The —, 1976 film thriller starring Gregory Peck and Lee Remick (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
omen
(Other definitions for omen that I've seen before include "Portent of evil" , "Augur" , "Forewarning, harbinger" , "Foreshadow" , "Harbinger, augury" .)