The most common and most likely answer to this crossword clue is the 5 plus 9 letter word BRIEF ENCOUNTER
I've seen this crossword clue in The Daily Telegraph
B
R
I
E
F
E
N
C
O
U
N
T
E
R
More clues leading to the result BRIEF ENCOUNTER
- Picture barrister in Parisian bar
- Weepy case meeting
- Film wet area in French cheese bar
- Direct action film
- Film marshland adder chasing some food
- Cheese stall with starter portions of feta, Edam, Neufchatel wrapped in film
- Lawyer beginning to examine new disc and film
- Flick cheese and soggy ground matter on back
Buddy explains!

The straight part
We know that "Film" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case film = brief encounter.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.