| Kazek, John | John Kazek | Actor | 2005 | 6 | |
| Kaasinen, Eevaleena | Eevaleena Kaasinen | Actor | 2005 | 2 | |
| Kallio, Anu | Anu Kallio | Actor | 2005 | 3 | |
| Kuula, Anni | Anni Kuula | Actor | 2005 | 5 | |
| Kalske, Jenna | Jenna Kalske | Actor | 2005 | 4 | |
| Koivu, Liisa | Liisa Koivu | Actor | 2005 | 2 | |
| Kreutner, Hans | Hans Kreutner | Actor | 2005 | 1 | |
| Kloepfer, Martin | Martin Kloepfer | Adaptation, Director | 2005 | 2 | |
| Keitpanyaopart, Sakchai | Sakchai Keitpanyaopart | Actor | 2005 | 10 | |
| Kamolwat, Manutsawin | Manutsawin Kamolwat | Actor | 2005 | 5 | |
| Keruchenko, Irina | Irina Keruchenko | Director | 2005 | 1 | |
| Kaptur, Vladislav | Vladislav Kaptur | Lighting Designer | 2005 | 1 | |
| König, Anna | Anna König | Actor | 2005 | 1 | |
| Kaali, Katharina | Katharina Kaali | Actor | 2005 | 52 | |
| Keller, Greg | Greg Keller | Actor | 2005 | 1 | |
| Kai, Zhang | Zhang Kai | Designer | 2005 | 2 | |
| Kositsyn, Boris | Boris Kositsyn | Actor | 2005 | 1 | |
| Kobelsky, Beverley | Beverley Kobelsky | Costume Designer | 2005 | 1 | |
| Kerzmann, Anita | Anita Kerzmann | Adaptation, Dramaturg | 2005 | 2 | 1 |
| Kort, Kathleen | Kathleen Kort | Lighting Designer | 2005 | 1 | |
| Kleist, Makka | Makka Kleist | Dramaturg | 2005 | 1 | |
| Kilner, Graham | Graham Kilner | Actor | 2005 | 1 | |
| Kallerdahl, Fabian | Fabian Kallerdahl | Composer | 2005 | 1 | |
| Klootwijk, Ruud | Ruud Klootwijk | Actor, Designer, Producer | 2005 | 3 | |
| Karim, Adel | Adel Karim | Director | 2005 | 1 | |
| Klischke, Thomas | Thomas Klischke | Assistant Director | 2005 | 1 | |
| Krämer, Perdita | Perdita Krämer | Assistant Director | 2005 | 1 | |
| Keresztes, Attila | Attila Keresztes | Designer, Director | 2004 - 2022 | 14 | 1 |
| Kidd, Steve | Steve Kidd | Actor | 2004 - 2021 | 4 | 1 |
| Kane, Jeanine | Jeanine Kane | Actor | 2004 - 2021 | 4 | |
| Kops, Ilka | Ilka Kops | Costume Designer | 2004 - 2018 | 3 | |
| Keller, Andreas | Andreas Keller | Actor | 2004 - 2018 | 18 | 1 |
| Krebs, Horst | Horst Krebs | Actor | 2004 - 2015 | 2 | 1 |
| Kochendörfer, Marc-Philipp | Marc-Philipp Kochendörfer | Actor | 2004 - 2014 | 8 | |
| Kolářová, Daniela | Daniela Kolářová | Actor | 2004 - 2013 | 3 | 1 |
| Köhler, Jiří | Jiří Köhler | Actor | 2004 - 2012 | 2 | |
| Kubelka, Alexander | Alexander Kubelka | Director | 2004 - 2011 | 2 | 1 |
| Kuchenbuch, Robert | Robert Kuchenbuch | Actor | 2004 - 2010 | 26 | |
| König, David | David König | Costume Designer, Designer | 2004 - 2010 | 5 | 1 |
| Kornitzer, Alice | Alice Kornitzer | Actor | 2004 - 2008 | 18 | |
| Kaufmann, Deborah | Deborah Kaufmann | Actor | 2004 - 2008 | 18 | |
| Kopetzki, Mathias | Mathias Kopetzki | Actor | 2004 - 2008 | 30 | |
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