The Royal Opera House has posted extremely detailed casting lists for everything except
Swan Lake, which I expect the webmasters simply haven't finished yet. No doubt a good chunk will be reshuffled by the time the season starts, but as noted there have been changes since the initial announcements in January:
The principal artists listed for London are (female) Maria Alexandrova, Maria Allash, Nina Kaptsova, [Kristina Kretova], [Ekaterina Krysanova], Svetlana Lunkina, Anna Nikulina, Evgenia Obraztsova, Natalia Osipova, Ekaterina Shipulina, Anastasia Stashkevich, Olga Smirnova, [Anna Tikhomirova] and Svetlana Zakharova; (male) Semyon Chudin, [Dmitry Gudanov], David Hallberg, [Vladislav Lantratov], Mikhail Lobukhin, Vyacheslav Lopatin, [Andrei Merkuriev], Artem Ovcharenko, Ruslan Skvortsov, Nikolai Tsiskaridze, Ivan Vasiliev and Alexander Volchkov.
The Osipova/Vasiliev
Flames of Paris is close of sold out already.
http://www.roh.org.uk/about/bolshoi
Olga Smirnova has not done an Odette-Odile yet. She may yet make her debut in May before performing the part in London.