Choreography Lev Ivanov Libretto Ivan Vsevolozhsky and Marius Petipa Adapted by Alexandre Dumas-father of Ernst Theodor Amadeus Hoffmann's fairy tale The Nutcracker and the King of Mice. Choreography and direction by Konstantin Uralsky Set and costume design by Salvatore Russo Assistant choreographer Natalia Korobeinikova Assistant director Romina Slavova Soloists and corps de ballet of the State Opera-Stara Zagora