The most common and most likely answer to this crossword clue is the 10 letter word DRAMATURGE
I've seen this crossword clue in The Daily Telegraph
D
R
A
M
A
T
U
R
G
E
Buddy explains!

The straight part
We know that "playwright" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case playwright = dramaturge.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.
What does DRAMATURGE mean?
DRAMATURGE noun- Someone who writes or adapts theater plays, a playwright, dramatist, especially one connected with a specific theater or company.
- A literary adviser or editor in a theater, opera, or film company that researches, selects, adapts, edits, and interprets scripts, libretti, texts, and printed programs (or helps others with these tasks), consults with authors, and does public relations work.
- To act as a dramaturge.