The most common and most likely answer to this crossword clue is the 4 plus 4 plus 2 plus 3 letter word SOME LIKE IT HOT
I've seen this crossword clue in The Daily Telegraph
S
O
M
E
L
I
K
E
I
T
H
O
T
More clues leading to the result SOME LIKE IT HOT
- Film Keith clued cryptically?
- A comedy classic – but not 13 as far as 7 is concerned
- Film title shook me badly, I admitted
- Around the beginning of October Keith met Lois in motion picture
- Wilder work; look the time is changing
- Keith, appearing in ‘Loot’ with me, is cast in a film
- Ok with the old semi & lit used in clueing this film
- Ok with the old semi &lit used in clueing this film
- In milk tooth I see an old picture
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 = some like it hot.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.