Do Géza von Bolváry and Vincent Kok have the same nationality?
Vincent Kok Vincent Kok Tak-Chiu (born 15 August 1966) is a Hong Kong actor, scriptwriter and film director.
Warren Mok Warren Mok (莫華倫) is a Hong Kong operatic tenor who has performed many leading roles since his European debut in 1987 at the Deutsche Oper Berlin. He has a repertoire of 50 operatic roles, including Calaf in "Turandot", Cavaradossi in "Tosca", Don José in "Carmen", and Radames in "Aida". He has recorded many solo albums and opera CDs, including "Il trovatore", "Simon Boccanegra", Roma, "Robert le diable" and "Les Huguenots". He has also appeared regularly on television and radio programs worldwide.