The National Theatre of Greece was opened in 1900 as ''Royal Theatre''. Notable playwrights of the modern Greek theatre include Gregorios Xenopoulos, Nikos Kazantzakis, Pantelis Horn, Alekos Sakellarios and Iakovos Kambanelis, while notable actors include Cybele Andrianou, Marika Kotopouli, Aimilios Veakis, Orestis Makris, Katina Paxinou, Manos Katrakis and Dimitris Horn. Significant directors include Dimitris Rontiris, Alexis Minotis and Karolos Koun.