Sergei, the chaffeur (Randy Nichol)

Fedye Drebenyetsov (Ellis Pike) and
Barabashkin (David Phipps-Davis)

Lusya, looking a little blurred (Claire Karadeniz)

Boris (Andrew James)

Lidochka Babarova (Joanna Brown)

Alexander Petrovich Bubyetsov, a.k.a. 'Sasha'

(Eliot Alderman)

The young lady is Masha Bubyestsova (Lynn Boudreau)

  Semyon Semyonovich Babarov (Paul Schoonenberg)

Pyotr Pytrovich Milkin (a stubbly gentleman)
and Kurochkin (Stephen Webb)

Some kind of manager in the opening scene (Alan Doherty)

The lady with the conical hairstyle is Varochka (Gaëlle Richards).

The other ladies are cloe McDougall, Sheila Murphy, Sarah Cooney, Miranda Harrison, Lisa Turner, Jo Arthur and Anita Kok.

Here's a little bit more of Anita.

Here are 3 oddly-dressed gentlemen

Walter Viti, Philippe Cahill and Jim Fisher

  Here are the male construction workers

Philippe and Walter again

A few more chorus ladies

Catherine Des Forges, Alison Reid and Susan Ferrier
(the other two we've already scene)

The cuddly man in the centre is Simon Austin.