Possible Clues:

• Director flared up having problem over total nonsense
• Filmdom's ''Master of Suspense''
• Director of 4-/60-Down, which was released on 9/8/60
• Sir -- --, 1899-1980, film director
• The dude whose silhouette was very down-to-girth
• Portrayer of Man Outside Real Estate Office in 'Psycho' who regularly spent nights in the director's bed
• Director of four films hidden in this puzzle
• Creator of much suspense
• Director of the puzzle
• Knighted director