Essentially agents mustn't fancy actors – they represent them in tricky situations (5,3)

I believe the answer is:

stunt men

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'actors they represent them in tricky situations' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'essentially agents mustn't fancy' is the wordplay.
'essentially' says to take the centre.
'fancy' is an anagram indicator.
The central letters of 'agents' are 'en'.
'en'+'mustnt'='enmustnt'
'enmustnt' with letters rearranged gives 'STUNT MEN'.

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I've seen this clue in The Independent.

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