33 Votes in Poll
Eloise C seems to be voicing Salcilia (see source) in the both series 1 and 2 (not sure whether that second series part is right) and also played Lyra's double in the first series.
Sarah Brazier played a Londoner in series 1 too (see source).
In much more exciting news - we got a mention from Twittàgazze on Twitter! See it here!
"This programme with Mr. Jack Thorne gave seemingly some glimpses of the Cittàgazze set for #HisDarkMaterials, based on the screenshots (spoilerish thus not reproduced here) found on the finely-managed Fandom page of the show (our greetings to its editors!) https://hdm.fandom.com/wiki/His_Dark_Materials_(TV_series) …"
And our greetings to the person behind Twittàgazze!