| König, David | David König | Costume Designer, Designer | 2004 - 2010 | 5 | |
| Kidd, Steve | Steve Kidd | Actor | 2004 - 2011 | 2 | |
| Kane, Jeanine | Jeanine Kane | Actor | 2004 - 2011 | 2 | |
| Kubelka, Alexander | Alexander Kubelka | Director | 2004 - 2011 | 2 | |
| Köhler, Jiří | Jiří Köhler | Actor | 2004 - 2012 | 2 | |
| Kolářová, Daniela | Daniela Kolářová | Actor | 2004 - 2013 | 3 | |
| Kochendörfer, Marc-Philipp | Marc-Philipp Kochendörfer | Actor | 2004 - 2014 | 8 | |
| Krebs, Horst | Horst Krebs | Actor | 2004 - 2015 | 2 | |
| 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 | 11 | |
| Kindermann, Uta | Uta Kindermann | Director | 2005 | 4 | |
| Knysz, Jordyn | Jordyn Knysz | Actor | 2005 | 1 | |
| Krappweis, Sabine | Sabine Krappweis | Actor | 2005 | 1 | |
| Kartal, Yeliz | Yeliz Kartal | Actor | 2005 | 1 | |
| Kramer, Felix | Felix Kramer | Actor | 2005 | 1 | |
| Keightley, John | John Keightley | Actor | 2005 | 1 | |
| Kelly, Martin | Martin Kelly | Actor | 2005 | 1 | |
| Kingsford, Jess | Jess Kingsford | Director | 2005 | 1 | |
| Kósa, Béla | Béla Kósa | Actor | 2005 | 2 | |
| Kövesdi, László | László Kövesdi | Actor | 2005 | 2 | |
| Kiss, Ernő | Ernő Kiss | Actor | 2005 | 2 | |
| Kricsár, Kamill | Kamill Kricsár | Actor | 2005 | 2 | |
| Krishnan, Gayatri | Gayatri Krishnan | Actor | 2005 | 1 | |
| Krief, Norah | Norah Krief | Actor | 2005 | 5 | |
| Krantz, Marquam | Marquam Krantz | Actor | 2005 | 1 | 1 |
| Knox, Amber | Amber Knox | Costume Designer | 2005 | 1 | |
| Krajnov, Jugoslav | Jugoslav Krajnov | Actor | 2005 | 1 | 1 |
| Kalabić, Marija | Marija Kalabić | Designer | 2005 | 1 | |
| Keskinen, Jouko | Jouko Keskinen | Actor | 2005 | 2 | |
| Kuhne, Sibylle | Sibylle Kuhne | Actor | 2005 | 1 | |
| Kaehler, Jörg | Jörg Kaehler | Actor, Director | 2005 | 2 | |
| Kramer, Kerstin | Kerstin Kramer | Actor | 2005 | 1 | |
| Krantaï, Nikoleta | Nikoleta Krantaï | Actor | 2005 | 2 | |
| Kostakis, Iraklis | Iraklis Kostakis | Actor | 2005 | 2 | |
| Knoll, Jacob | Jacob Knoll | Actor | 2005 | 1 | |
| Kroner, Stefan | Stefan Kroner | Dramaturg | 2005 | 1 | |
| Kimani, Robert | Robert Kimani | Actor | 2005 | 1 | |
| Kahara, Elijah | Elijah Kahara | Actor | 2005 | 1 | |
| Kinuthia, Anthony | Anthony Kinuthia | Actor | 2005 | 1 | |
| Kazek, John | John Kazek | Actor | 2005 | 6 | |
| Kaasinen, Eevaleena | Eevaleena Kaasinen | Actor | 2005 | 2 | |
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