| Kalužný, Jiří | Jiří Kalužný | Actor | 2000 - 2008 | 7 | |
| Karhapää, Maria | Maria Karhapää | Actor | 2004 | 1 | |
| Kähönen, Henri | Henri Kähönen | Actor | 2004 | 1 | |
| Koivisto, Terhi | Terhi Koivisto | Costume Designer | 2004 | 1 | |
| Klemensová, Renáta | Renáta Klemensová | Actor | 2015 - 2018 | 2 | |
| Kelly, Joseph | Joseph Kelly | Actor | 2004 | 1 | |
| Kennedy, Cora | Cora Kennedy | Actor | 2004 | 1 | |
| Klimczak, Kristian | Kristian Klimczak | Actor | 2004 | 2 | |
| Ketsios, George | George Ketsios | Actor | 2004 | 1 | |
| Kinnunen, Niina | Niina Kinnunen | Actor | 2004 | 3 | |
| Kotala, Anne | Anne Kotala | Costume Designer | 2004 | 1 | |
| Kyselák, Jiří | Jiří Kyselák | Adaptation, Director | 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 | |
| Klüpfel, Ariane | Ariane Klüpfel | Actor | 2001 | 4 | |
| Krämer-Jenster, Benjamin | Benjamin Krämer-Jenster | Actor | 2001 | 5 | |
| Kaup, Anika | Anika Kaup | Actor | 2001 | 1 | |
| Krumbiegel, Ulrike | Ulrike Krumbiegel | Actor | 2004 | 1 | |
| Kray, Petra | Petra Kray | Costume Designer | 2004 | 1 | |
| Kaminsky, Stefan | Stefan Kaminsky | Actor | 2004 | 1 | |
| Kašparovský, Marek | Marek Kašparovský | Dancer | 2007 | 1 | |
| Kuijpers, José | José Kuijpers | Actor | 1998 - 2017 | 97 | |
| Koen, Mirjam | Mirjam Koen | Adaptation, Director | 1998 - 2009 | 53 | |
| Kotterba, Horst | Horst Kotterba | Actor | 2004 - 2008 | 5 | |
| Kuchenbuch, Robert | Robert Kuchenbuch | Actor | 2004 - 2010 | 26 | |
| Kraushaar, Oliver | Oliver Kraushaar | Actor | 2004 | 2 | |
| Kroher, Peter | Peter Kroher | Dramaturg | 2004 | 2 | |
| Kettley, Steve | Steve Kettley | Composer, Musician | 2004 | 10 | |
| Keijzer, Bas | Bas Keijzer | Actor | 2004 | 1 | |
| Kajnarová, Zuzana | Zuzana Kajnarová | Actor | 2007 - 2008 | 3 | |
| Klem, Jiří | Jiří Klem | Actor | 1999 - 2008 | 4 | |
| König, David | David König | Costume Designer, Designer | 2004 - 2010 | 5 | |
| Kochendörfer, Marc-Philipp | Marc-Philipp Kochendörfer | Actor | 2004 - 2014 | 8 | |
| Kukla, Jan | Jan Kukla | Actor | 2006 | 1 | |
| Kalva, Bohuslav | Bohuslav Kalva | Actor | 2006 | 1 | |
| Krobotová, Lenka | Lenka Krobotová | Actor | 2006 | 1 | |
| Kocis, Carl | Carl Kocis | Actor | 2004 | 1 | |
| Klimak, Kenny | Kenny Klimak | Designer | 2004 | 1 | |
| Keller, Gary | Gary Keller | Actor | 2004 | 1 | |
| Kavouras, Joanne | Joanne Kavouras | Dancer | 2004 | 1 | |
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