According to this article, on December 19th, there would be two shows at the same time, one in Moscow and another in St. Petersburg. The cast sounds impressive!
http://rian.ru/sport/sportsman/20071214/92458400.html
Saint Petersburg
Evgeni Plushenko
Tatiana Navka and Roman Kostomarov
Oksana Grishchuk and Evgenie Platov
Tatiana Totmianina and Maxim Marinin
Sasha Cohen
Stephane Lambiel
Phillipe Candeloro
Elena Grushina and Ruslan Goncharov
Margarita Drobiazko & Povilas Vanagas
Oksana Domnina and Maxim Shabalin
Tessa Virtue & Scott Moir
Caroline Zhang
Kiira Korpi
Mao Asada
Arthur Gachinsky
Yuko Kawaguchi and Alexander Smirnov
Moscow cast
Alexei Yagudin
Ekaterina Gordeeva
Ilia Kulik
Irina Slutskaya
Maria Petrova and Alexei Tikhonov
Elena Leonov and Andrey Khvalko
Yana Khokhlova Sergey Novitsky
Albena Denkova and Maxim Stavisky
Isabelle Delobel & Olivier Schoenfelder
Johnny Weir
Naomi Lang and Peter Tchernyshev
Emmanuel Sandhu
Fumie Suguri
http://rian.ru/sport/sportsman/20071214/92458400.html
Saint Petersburg
Evgeni Plushenko
Tatiana Navka and Roman Kostomarov
Oksana Grishchuk and Evgenie Platov
Tatiana Totmianina and Maxim Marinin
Sasha Cohen
Stephane Lambiel
Phillipe Candeloro
Elena Grushina and Ruslan Goncharov
Margarita Drobiazko & Povilas Vanagas
Oksana Domnina and Maxim Shabalin
Tessa Virtue & Scott Moir
Caroline Zhang
Kiira Korpi
Mao Asada
Arthur Gachinsky
Yuko Kawaguchi and Alexander Smirnov
Moscow cast
Alexei Yagudin
Ekaterina Gordeeva
Ilia Kulik
Irina Slutskaya
Maria Petrova and Alexei Tikhonov
Elena Leonov and Andrey Khvalko
Yana Khokhlova Sergey Novitsky
Albena Denkova and Maxim Stavisky
Isabelle Delobel & Olivier Schoenfelder
Johnny Weir
Naomi Lang and Peter Tchernyshev
Emmanuel Sandhu
Fumie Suguri