| Kiss, Ernő | Ernő Kiss | Actor | 2005 | 2 | |
| Kricsár, Kamill | Kamill Kricsár | Actor | 2005 | 2 | |
| Konečná, Barbora | Barbora Konečná | Costume Designer, Designer | 2013 | 2 | |
| Klaus, Wilfried | Wilfried Klaus | Actor | 1976 | 2 | 1 |
| Kraus, Adam | Adam Kraus | Actor | 2010 | 2 | |
| Kubelka, Alexander | Alexander Kubelka | Director | 2004 - 2011 | 2 | 1 |
| Kofroň, Petr | Petr Kofroň | Composer | 2009 | 2 | 1 |
| Klestilová, Iva | Iva Klestilová | Dramaturg | 2009 | 2 | |
| Kypta, Tomáš | Tomáš Kypta | Costume Designer | 2008 | 2 | |
| Klemensová, Renáta | Renáta Klemensová | Actor | 2015 - 2018 | 2 | 1 |
| Klimczak, Kristian | Kristian Klimczak | Actor | 2004 | 2 | |
| Kyselák, Jiří | Jiří Kyselák | Adaptation, Director | 2007 | 2 | |
| Kraushaar, Oliver | Oliver Kraushaar | Actor | 2004 | 2 | |
| Kroher, Peter | Peter Kroher | Dramaturg | 2004 | 2 | |
| Kitagawa, Katsuhiro | Katsuhiro Kitagawa | Actor | 2004 - 2007 | 2 | |
| Khanh, Quoc | Quoc Khanh | Actor | 2004 - 2006 | 2 | |
| Kudláčková, Johana | Johana Kudláčková | Dramaturg | 2005 - 2006 | 2 | 1 |
| Kubátová, Jana | Jana Kubátová | Actor | 2005 - 2006 | 2 | 2 |
| Kostková, Zorka | Zorka Kostková | Actor | 2005 - 2006 | 2 | 1 |
| Krejsa, Miloslav | Miloslav Krejsa | Actor | 2005 - 2006 | 2 | |
| Kaška, Antonín | Antonín Kaška | Actor | 2005 - 2006 | 2 | |
| Krebs, Horst | Horst Krebs | Actor | 2004 - 2015 | 2 | 1 |
| Kolubkov, Aleksej | Aleksej Kolubkov | Actor | 2001 - 2004 | 2 | 1 |
| Kurdjubova, Natalja | Natalja Kurdjubova | Actor | 2001 - 2004 | 2 | 1 |
| Karbauskis, Mindaugas | Mindaugas Karbauskis | Director | 2001 - 2004 | 2 | 1 |
| Kostecka, Oliver | Oliver Kostecka | Designer | 2004 | 2 | 1 |
| Korčák, Jakub | Jakub Korčák | Adaptation, Director | 2000 | 2 | |
| Keskinen, Jouko | Jouko Keskinen | Actor | 2005 | 2 | |
| Kaehler, Jörg | Jörg Kaehler | Actor, Director | 2005 | 2 | |
| Krantaï, Nikoleta | Nikoleta Krantaï | Actor | 2005 | 2 | |
| Kostakis, Iraklis | Iraklis Kostakis | Actor | 2005 | 2 | |
| Konečný, Emil | Emil Konečný | Actor | 1978 - 1993 | 2 | |
| Kubíček, František | František Kubíček | Actor | 1965 - 1978 | 2 | |
| Kovář, Čestmír | Čestmír Kovář | Actor, Director | 1957 | 2 | |
| Kaasinen, Eevaleena | Eevaleena Kaasinen | Actor | 2005 | 2 | |
| Koivu, Liisa | Liisa Koivu | Actor | 2005 | 2 | |
| Koukal, Bohumír | Bohumír Koukal | Actor | 1941 - 1955 | 2 | 1 |
| Kloepfer, Martin | Martin Kloepfer | Adaptation, Director | 2005 | 2 | |
| Kariyawasam, Piyal | Piyal Kariyawasam | Director | 2005 - 2006 | 2 | |
| Kemp, Edward | Edward Kemp | Dramaturg | 2005 - 2006 | 2 | |
| Knight, Julia | Julia Knight | Musician | 2005 - 2006 | 2 | |
| Kohlhase, - | - Kohlhase | Actor | 2001 - 2002 | 2 | |
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