Crossword Genius

One present at a number of Dragnet's regular shows (9)

Ross

I believe the answer is:

attendant

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'one present' is the definition.
(thesaurus)

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(Other definitions for attendant that I've seen before include "Assistant" , "Related" , "Servant; accompanying" , "escort" , "Person present as companion or servant" .)

I've seen this clue in the Sydney Morning Herald.
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