Crossword Genius

Is such mining available to actors? (8)

Ross

I believe the answer is:

opencast

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'is such mining' is the definition.
I can't judge whether this defines the answer.

'available to actors?' is the wordplay.
'available' becomes 'open' (similar in meaning).
'to actors?' becomes 'cast' (group of actors).
'open'+'cast'='OPENCAST'

Can you help me to learn more?

(Other definitions for opencast that I've seen before include "Method of mining" , "sort of mine" , "Surface type of mining" , "Sort of mining" , "mining - with 6d" .)

I've seen this clue in the Evening Standard.
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