| Krishnatraye, Rea | Rea Krishnatraye | Actor | 2006 | 1 | |
| Kažemėkienė, Inga | Inga Kažemėkienė | Designer | 2006 | 1 | |
| Kaladytė, Lina | Lina Kaladytė | Actor | 2006 | 1 | |
| Keene, Vivien | Vivien Keene | Actor | 2008 | 2 | |
| Kanno, Misuzu | Misuzu Kanno | Actor | 2008 | 1 | |
| Klötzke, Ernst, August | Ernst August Klötzke | Musical Director, Musician | 2008 - 2009 | 2 | |
| Kraus, Uwe | Uwe Kraus | Actor | 2000 - 2014 | 5 | |
| Karner, Markus | Markus Karner | Designer | 2008 - 2013 | 2 | |
| Krettek, Mareile | Mareile Krettek | Costume Designer | 2008 - 2009 | 1 | |
| Koch, Gerlinde | Gerlinde Koch | Actor | 2008 - 2009 | 1 | |
| Kairhoum, Zakhia | Zakhia Kairhoum | Adaptation | 2008 | 2 | |
| Kesten, Peter | Peter Kesten | Director | 2008 - 2009 | 7 | |
| Kabler, Wolf-Dieter | Wolf-Dieter Kabler | Actor | 1991 - 2009 | 3 | |
| Keune, Tom | Tom Keune | Actor | 2008 - 2009 | 2 | |
| Kulle, Jarl | Jarl Kulle | Actor | 1950 | 2 | |
| Kee, H. Clark | H. Clark Kee | Actor | 2009 | 1 | |
| Kapelonis, Kostis | Kostis Kapelonis | Director | 2002 - 2011 | 7 | |
| Kechagias, Angelos | Angelos Kechagias | Actor | 2009 - 2011 | 3 | |
| Kyle, Kiso | Kiso Kyle | Actor | 2009 | 1 | |
| Knight, Imogen | Imogen Knight | Choreographer | 2009 | 1 | |
| Kirberg, Volker | Volker Kirberg | Composer | 2009 - 2010 | 1 | |
| Kay, Carol | Carol Kay | Actor | 1972 | 2 | |
| Kern, Dennis | Dennis Kern | Actor | 1978 | 1 | |
| Kaledin, Nicholas | Nicholas Kaledin | Actor | 1983 | 1 | |
| Kubánková, Věra | Věra Kubánková | Actor | 1983 | 1 | |
| Künzler, Christoph | Christoph Künzler | Actor | 1978 | 1 | |
| Kidane, Mussie | Mussie Kidane | Translator | 2009 | 1 | |
| Kičiňová, Miriam | Miriam Kičiňová | Dramaturg | 2009 - 2012 | 3 | |
| Keda, Adam | Adam Keda | Actor | 2010 | 1 | |
| Knudsen, Louise, Rahr | Louise Rahr Knudsen | Dramaturg | 2010 | 1 | |
| Kvols, Jacob, Madsen | Jacob Madsen Kvols | Actor | 2010 - 2015 | 2 | |
| Körner, Dietrich | Dietrich Körner | Actor | 1983 - 1989 | 2 | |
| Koženkova, A. | A. Koženkova | Costume Designer | 1983 | 1 | |
| Kostyleva, G. | G. Kostyleva | Actor | 1983 | 1 | |
| Koller, Karin | Karin Koller | Director | 2010 | 1 | |
| Kaňa, Jaroslav | Jaroslav Kaňa | Translator | 1983 | 1 | |
| Kleis, Marián | Marián Kleis | Actor | 1983 | 1 | |
| Košická, Lenka | Lenka Košická | Actor | 1983 | 1 | |
| Kayser, Karl | Karl Kayser | Adaptation, Director | 1964 | 3 | |
| Kirk, Kiersten | Kiersten Kirk | Actor | 1984 | 1 | |
| Kyriakidis, Giannis | Giannis Kyriakidis | Actor | 1965 - 1967 | 4 | |
| Kontaxis, Vasilis | Vasilis Kontaxis | Actor | 1984 | 1 | |
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