Ran back with artist to sort out the tellers (9)

'tellers' is the definition.
(I have seen 'Tellers of tales ' mean 'narrators' so perhaps 'tellers' could also mean 'narrators')

'ran back with artist to sort out' is the wordplay.
'back' says the letters should be written in reverse.
'with' is a charade indicator (letters next to each other).
'artist' becomes 'ra' (Royal Academician, member of Royal Academy of Arts).
'to' is a charade indicator (letters next to each other).
'out' indicates an anagram (out can mean wrong or inaccurate).
'ran' in reverse letter order is 'nar'.
'sort' with letters rearranged gives 'tors'.
'nar'+'ra'+'tors'='NARRATORS'

'the' acts as a link.