New star gets involved with cast and performs (9)

I believe the answer is:

transacts

'performs' is the definition.
(to perform or carry out a transaction)

'new star gets involved with cast' is the wordplay.
'new' becomes 'n' (common abbreviation eg NT for New Testament).
'gets involved with' indicates anagramming the letters.
'n'+'star'='nstar'
'nstar' with its letters mixed up with 'cast' can make 'TRANSACTS'.

'and' acts as a link.

(Another definition for transacts that I've seen is " Performs, carries out business".)

I've seen this clue in The Independent.

Want a hint initially instead of a full solution? Install my app