Two appearing in film having a mutual fan (9)

I believe the answer is:

extractor

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'fan' is the definition.
(I've seen this before)

I don't understand how the rest of the clue works.

(Other definitions for extractor that I've seen before include "Sort of fan" , "dentist" , "Juice-maker" , "Kind of fan that sucks out stale air" , "Remover" .)

I've seen this clue in The Independent.

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