The most common and most likely answer to this crossword clue is the 9 letter word HITCHCOCK
I've seen this crossword clue in The Daily Telegraph
H
I
T
C
H
C
O
C
K
More clues leading to the result HITCHCOCK
- Problem with male film director
- Thriller director‘s Problem With Avian
- Director’s prickling sensation constant in joint
- Film director‘s thumb on part of gun
- Movie director set to shoot after brief hold-up
- Director of Spooner’s “Sentimental Wine”
- Thriller director's Problem With Avian
- Director has problem to accept tip...
- Director of Hook given raise
Buddy explains!

The straight part
We know that "Film director" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case film director = hitchcock.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.