| 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 | |
| Karelina, Galina | Galina Karelina | Actor | 2005 - 2008 | 5 | |
| Kuznecova, Tat'jana | Tat'jana Kuznecova | Actor | 2005 - 2008 | 5 | 1 |
| Kara, Tunde | Tünde Kara (Tunde Kara) | Actor | 2005 - 2010 | 2 | 1 |
| Krüger, Jörg F. | Jörg F. Krüger | Actor | 2005 - 2010 | 9 | |
| Kozikowski, Jan | Jan Kozikowski | Designer | 2005 - 2012 | 6 | |
| Krajewski-Bola, Andrzej, B. | Andrzej B. Krajewski-Bola | Translator | 2005 - 2012 | 5 | 1 |
| Kuwata, Takashi | Takashi Kuwata | Actor | 2005 - 2013 | 14 | |
| 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 | |
| Kovács, Nóra | Nóra Kovács | Actor, Director | 2005 - 2016 | 2 | |
| Kahnert, Janning | Janning Kahnert | Actor | 2005 - 2016 | 7 | 1 |
| Knaack, Peter | Peter Knaack | Actor | 2005 - 2017 | 5 | 1 |
| Kingston, Michael | Michael Kingston | Actor | 2005 - 2018 | 5 | |
| Kreutinger, Nils | Nils Kreutinger | Actor | 2005 - 2019 | 3 | |
| Köstlinger, Maria | Maria Köstlinger | Actor | 2005 - 2023 | 6 | 6 |
| Khanlarova, Mehriban | Mehriban Khanlarova | Actor | 2006 | 1 | |
| Klintsjeva, Sandra | Sandra Klintsjeva | Costume Designer | 2006 | 1 | |
| Kărkelanov, Georgi | Georgi Kărkelanov | Actor | 2006 | 1 | |
| Kirshenbaum, Debra | Debra Kirshenbaum | Actor | 2006 | 1 | 1 |
| Koren, Adam | Adam Koren | Actor | 2006 | 1 | |
| Koren, Sophia Bella | Sophia Bella Koren | Actor | 2006 | 1 | |
| Koschitz, Julia | Julia Koschitz | Actor | 2006 | 3 | 1 |
| Kaemba, Mukonde | Mukonde Kaemba | Actor | 2006 | 1 | |
| Kaissar, Ken | Ken Kaissar | Director | 2006 | 1 | |
| Kalinowski, Jenna | Jenna Kalinowski | Actor | 2006 | 1 | 3 |
| Kaltsa, Agathi | Agathi Kaltsa | Actor | 2006 | 1 | |
| Kalumba, Isaac | Isaac Kalumba | Actor | 2006 | 1 | |
| Kamal, Mrittika | Mrittika Kamal | Actor | 2006 | 1 | |
| Kamal, Munasir | Munasir Kamal | Actor | 2006 | 1 | |
| Kamoo, Sarab | Sarab Kamoo | Actor | 2006 | 1 | |
| Kanerva, Reijo | Reijo Kanerva | Actor | 2006 | 1 | |
| Kapur, Anjalika | Anjalika Kapur | Actor | 2006 | 1 | |
| Karim, Afzalul | Afzalul Karim | Actor | 2006 | 1 | |
| Kärri, Kaisu | Kaisu Kärri | Actor | 2006 | 1 | |
| Kasomo, Eric | Eric Kasomo | Actor | 2006 | 1 | |
| Kassan, Karishma | Karishma Kassan | Actor | 2006 | 1 | |
| Kaunda, Esther | Esther Kaunda | Actor | 2006 | 23 | |
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