Georgi Bogdanov, Frank Semerau, Georgi Bogdanov, Ana Alexieva, Jelena Kikic, Momchil Bozhkov, Olga Kuchmenko, Stefanie Reis, Kirsten Herfel, Kirsten Herfel, Sorin Ana, Martichka Bozhilova, Alexander Zheltukin, Thomas Tielsch, Nelly Rousseva, Jan-Peter Heusermann, Irina-Andreea Malcea, Roman Vehlken, Raluca Durbacă, Alexander Zheltukin, Jan-Eike Michaels, Marta Marinescu, Georgi Bogdanov, Andrey Gatsov, Gergana Zlatanova, Mihail Ilievski, Konstantin Georgiev, Karl Gerhardt, Olga Kuchmenko, Dan Stroe, Ana Alexieva, Kevork Vanlyan, Thomas Funke, Victor Miu, Neda Milanova, Georgi Tenev, Velvet Moraru, Ema Konstantinova, Hannes Schulze, Jelena Kikic, Georgi Bogdanov, Jochen Hinrichs, Dobricá Lospáa