Playwright heading off with Parisian is creating concern (8)
I believe the answer is:
interest
'concern' is the definition.
(I know that interest is a kind of concern)
'playwright heading off with parisian is' is the wordplay.
'playwright' becomes 'pinter' (Harold Pinter).
'heading off' means to remove the first letter.
'with' means one lot of letters go next to another.
'parisian is' becomes 'est' ('is' in French).
'pinter' with its first letter removed is 'inter'.
'inter'+'est'='INTEREST'
'creating' acts as a link.
(Other definitions for interest that I've seen before include "point of saving?" , "Fascinate" , "Fixed charge for borrowing money" , "Sense of concern or curiosity" , "Charge or payment for the use of money" .)