| Kyriakidis, Christos | Christos Kyriakidis | Director | 2004 | 1 | |
| Katarachia, Vana | Vana Katarachia | Costume Designer | 2004 | 1 | |
| Karatolou, Maro | Maro Karatolou | Composer | 2004 | 1 | |
| Kostecka, Oliver | Oliver Kostecka | Designer | 2004 | 2 | 1 |
| Khan, Hossain | Hossain Khan | Actor | 2004 | 1 | |
| Kassis, José Luis | José Luis Kassis | Actor | 2004 | 2 | |
| Klaus, Brittany | Brittany Klaus | Producer | 2004 | 1 | |
| Knop, Rob | Rob Knop | Assistant Director | 2004 | 1 | |
| Kreutz, Sebastian | Sebastian Kreutz | Actor | 2004 - 2005 | 9 | |
| Keiff, Caroline | Caroline Keiff | Actor | 2004 - 2005 | 5 | |
| Kahn, Catherine | Catherine Kahn | Designer, Director | 2004 - 2005 | 10 | 1 |
| Klovholt, Anne Regine | Anne Regine Klovholt | Adaptation, Designer, Director | 2004 - 2005 | 15 | 1 |
| Kvorning, Berrit | Berrit Kvorning | Actor | 2004 - 2005 | 6 | |
| Karchadakis, Christos | Christos Karchadakis | Translator | 2004 - 2005 | 3 | |
| Kleinert, Christian | Christian Kleinert | Actor | 2004 - 2006 | 2 | |
| Knapp, Jesper | Jesper Knapp | Actor | 2004 - 2006 | 27 | |
| Kennedy, Joseph B. | Joseph B. Kennedy | Designer | 2004 - 2006 | 23 | |
| Knopp, Felix | Felix Knopp | Actor | 2004 - 2006 | 4 | 1 |
| Khanh, Quoc | Quoc Khanh | Actor | 2004 - 2006 | 2 | |
| Klumpf, Andreas | Andreas Klumpf | Actor | 2004 - 2007 | 3 | |
| Kitagawa, Katsuhiro | Katsuhiro Kitagawa | Actor | 2004 - 2007 | 2 | |
| Kornitzer, Alice | Alice Kornitzer | Actor | 2004 - 2008 | 18 | |
| Kaufmann, Deborah | Deborah Kaufmann | Actor | 2004 - 2008 | 18 | |
| Kopetzki, Mathias | Mathias Kopetzki | Actor | 2004 - 2008 | 30 | |
| Klein, Georg | Georg Klein | Composer | 2004 - 2008 | 6 | 1 |
| Kotterba, Horst | Horst Kotterba | Actor | 2004 - 2008 | 5 | |
| Komninou, Filareti | Filareti Komninou | Actor | 2004 - 2008 | 4 | |
| Kuchenbuch, Robert | Robert Kuchenbuch | Actor | 2004 - 2010 | 26 | |
| König, David | David König | Costume Designer, Designer | 2004 - 2010 | 5 | 1 |
| Kubelka, Alexander | Alexander Kubelka | Director | 2004 - 2011 | 2 | 1 |
| Köhler, Jiří | Jiří Köhler | Actor | 2004 - 2012 | 2 | |
| Kolářová, Daniela | Daniela Kolářová | Actor | 2004 - 2013 | 3 | 1 |
| Kochendörfer, Marc-Philipp | Marc-Philipp Kochendörfer | Actor | 2004 - 2014 | 8 | |
| Krebs, Horst | Horst Krebs | Actor | 2004 - 2015 | 2 | 1 |
| Kops, Ilka | Ilka Kops | Costume Designer | 2004 - 2018 | 3 | |
| Keller, Andreas | Andreas Keller | Actor | 2004 - 2018 | 18 | 1 |
| Keresztes, Attila | Attila Keresztes | Director | 2004 - 2019 | 12 | 1 |
| Kidd, Steve | Steve Kidd | Actor | 2004 - 2021 | 3 | 1 |
| Kane, Jeanine | Jeanine Kane | Actor | 2004 - 2021 | 3 | |
| Kindermann, Uta | Uta Kindermann | Director | 2005 | 4 | |
| Knysz, Jordyn | Jordyn Knysz | Actor | 2005 | 1 | |
| Krappweis, Sabine | Sabine Krappweis | Actor | 2005 | 1 | 1 |
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