| Kosari, Fariba | Fariba Kosari | Actor | 2006 | 1 | |
| Keller, Ulrich | Ulrich Keller | Actor | 2006 | 1 | |
| Kampowsky, Ute | Ute Kampowsky | Actor | 2006 | 1 | |
| Kühn, Jana | Jana Kühn | Actor | 2006 | 1 | |
| Kamml, Sigi | Sigi Kamml | Producer | 2006 | 1 | |
| Klaussner, Rolf | Rolf Klaussner | Producer | 2006 | 1 | |
| Klingenberg, Meike | Meike Klingenberg | Producer | 2006 | 1 | |
| Kilmer, Logan | Logan Kilmer | Composer | 2006 | 1 | |
| Kittner, Jutta | Jutta Kittner | Producer | 2006 | 1 | |
| Kalenda, Verena Maria | Verena Maria Kalenda | Assistant Director | 2006 | 1 | |
| Kringlebotn, Solveig | Solveig Kringlebotn | Musician | 2006 | 1 | |
| Köstlinger, Maria | Maria Köstlinger | Actor | 2005 - 2023 | 6 | 6 |
| Kluźniak, Dominika | Dominika Kluźniak | Actor | 2005 - 2019 | 5 | |
| Kreutinger, Nils | Nils Kreutinger | Actor | 2005 - 2019 | 3 | |
| Kingston, Michael | Michael Kingston | Actor | 2005 - 2018 | 5 | |
| Knaack, Peter | Peter Knaack | Actor | 2005 - 2017 | 5 | 1 |
| Kovács, Nóra | Nóra Kovács | Actor, Director | 2005 - 2016 | 2 | |
| Kahnert, Janning | Janning Kahnert | Actor | 2005 - 2016 | 7 | 1 |
| Keller, Markus | Markus Keller | Designer, Director | 2005 - 2015 | 3 | 1 |
| Knödler, Carsten | Carsten Knödler | Director | 2005 - 2015 | 5 | |
| Knödler, Ricarda | Ricarda Knödler | Costume Designer | 2005 - 2015 | 5 | |
| Kuwata, Takashi | Takashi Kuwata | Actor | 2005 - 2013 | 14 | |
| Kozikowski, Jan | Jan Kozikowski | Designer | 2005 - 2012 | 6 | |
| Krajewski-Bola, Andrzej, B. | Andrzej B. Krajewski-Bola | Translator | 2005 - 2012 | 5 | 1 |
| Kara, Tunde | Tünde Kara (Tunde Kara) | Actor | 2005 - 2010 | 2 | 1 |
| Krüger, Jörg F. | Jörg F. Krüger | Actor | 2005 - 2010 | 9 | |
| Karelina, Galina | Galina Karelina | Actor | 2005 - 2008 | 5 | |
| Kuznecova, Tat'jana | Tat'jana Kuznecova | Actor | 2005 - 2008 | 5 | 1 |
| Kroken, Asbjørn | Asbjørn Kroken | Actor | 2005 - 2007 | 7 | |
| Katona, László | László Katona | Actor | 2005 - 2007 | 56 | 1 |
| Knieling, Konrad Oktavian | Konrad Oktavian Knieling | Dramaturg | 2005 - 2007 | 4 | |
| Karlsen, Inghild | Inghild Karlsen | Designer | 2005 - 2007 | 28 | |
| Kress, Adrienne | Adrienne Kress | Actor | 2005 - 2007 | 10 | |
| Krawczuk, Adam | Adam Krawczuk | Actor | 2005 - 2007 | 2 | |
| Kaplow, Jeffry | Jeffry Kaplow | Actor | 2005 - 2006 | 3 | |
| Koerber, Edith | Edith Koerber | Director | 2005 - 2006 | 3 | |
| Køhn, Rosemarie | Rosemarie Køhn | Actor | 2005 - 2006 | 2 | |
| Klan, Rune | Rune Klan | Actor, Adaptation | 2005 - 2006 | 18 | 4 |
| Kavallieratos, Marianna | Marianna Kavallieratos | Choreographer | 2005 - 2006 | 4 | |
| Kiefel, Jörg | Jörg Kiefel | Designer | 2005 - 2006 | 2 | 1 |
| Kudláčková, Johana | Johana Kudláčková | Dramaturg | 2005 - 2006 | 2 | 1 |
| Kubátová, Jana | Jana Kubátová | Actor | 2005 - 2006 | 2 | 2 |
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