| Koltay, Gyula | Gyula Koltay | Actor | 1929 - 1934 | 4 | |
| Kolbe, Thomas | Thomas Kolbe | Actor | 2003 - 2005 | 4 | |
| Krietsch-Matzura, Oliver | Oliver Krietsch-Matzura | Actor | 1997 | 4 | |
| Kefalas, Nikos | Nikos Kefalas | Actor | 1993 - 2001 | 4 | |
| Körmendi, János | János Körmendi | Actor | 1971 - 1975 | 4 | |
| Kempers, Cornelia | Cornelia Kempers | Actor | 2003 | 4 | 1 |
| Kubicki, Przemyslaw | Przemyslaw Kubicki | Actor | 2003 | 4 | |
| Küng, Rainer | Rainer Küng | Lighting Designer | 2003 - 2012 | 4 | |
| Krejsová, Klára | Klára Krejsová | Actor | 2010 | 4 | |
| Kostrova, Elena | Elena Kostrova | Actor | 2003 - 2005 | 4 | |
| Kajdanski, Tomasz | Tomasz Kajdanski | Adaptation, Choreographer | 2004 | 4 | |
| Klüpfel, Ariane | Ariane Klüpfel | Actor | 2001 | 4 | |
| Klem, Jiří | Jiří Klem | Actor | 1999 - 2008 | 4 | |
| Komninou, Filareti | Filareti Komninou | Actor | 2004 - 2008 | 4 | |
| Kimoulis, Giorgos | Giorgos Kimoulis | Actor, Translator | 1999 - 2013 | 4 | |
| Kalske, Jenna | Jenna Kalske | Actor | 2005 | 4 | |
| Knieling, Konrad Oktavian | Konrad Oktavian Knieling | Dramaturg | 2005 - 2007 | 4 | |
| Kaizuka, Hideto | Hideto Kaizuka | Actor | 2001 - 2008 | 4 | |
| Khoury, Jameel | Jameel Khoury | Actor | 2006 | 4 | |
| Khoury, Makram J. | Makram J. Khoury | Actor | 2006 | 4 | |
| Kristensen, Thea, Holmberg | Thea Holmberg Kristensen | Mask Maker | 2015 - 2017 | 4 | |
| Köhler, Tilmann | Tilmann Köhler | Choreographer, Director | 2006 - 2017 | 4 | |
| Krohn, Marcel | Marcel Krohn | Actor | 2006 | 4 | |
| Kuiper, Pieter | Pieter Kuiper | Actor | 2006 | 4 | |
| Kromer, Konstanze | Konstanze Kromer | Actor | 2006 | 4 | |
| Kokotović, Nada | Nada Kokotović | Designer, Director | 2006 - 2007 | 4 | |
| Kondo, Haruna | Haruna Kondo | Actor, Director | 2006 | 4 | |
| Knüpfer, Felix | Felix Knüpfer | Actor, Director | 1909 - 1923 | 4 | |
| Kukulies, Ronald | Ronald Kukulies | Actor | 2006 - 2012 | 4 | 1 |
| Kaufmann, Edith | Edith Kaufmann | Actor | 2009 | 4 | |
| Kay, Marysia | Marysia Kay | Actor, Director | 2008 | 4 | |
| Klein, Hans Joachim | Hans Joachim Klein | Actor, Director | 1961 - 2003 | 4 | |
| Kaminsky, Esther Rachel | Esther Rachel Kaminsky | Actor | 1910 | 4 | |
| Kuhlmann, Klaus-Harald | Klaus-Harald Kuhlmann | Actor | 1971 - 1973 | 4 | |
| Kalliomäki, Tapani | Tapani Kalliomäki | Actor | 2008 - 2012 | 4 | 4 |
| Kalvaitytė, Jurga | Jurga Kalvaitytė | Actor | 2009 - 2011 | 4 | |
| Kirsten, Johannes | Johannes Kirsten | Dramaturg | 2009 - 2010 | 4 | |
| Küster, Martina | Martina Küster | Costume Designer | 2009 - 2010 | 4 | |
| Krautz, Steffi | Steffi Krautz | Actor | 1999 - 2011 | 4 | |
| Khuon, Nora | Nora Khuon | Dramaturg | 2008 - 2013 | 4 | |
| Kreß, Janine | Janine Kreß | Actor | 1999 - 2012 | 4 | 3 |
| Kabi, Neeraj | Neeraj Kabi | Actor, Adaptation, Designer, Director | 2009 - 2010 | 4 | |
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