| Klemt, Katja | Katja Klemt | Actor | 2009 - 2010 | 9 | |
| Kozeluh, Courtney Lynn | Courtney Lynn Kozeluh | Actor | 2009 | 1 | |
| Knouse, Rachel | Rachel Knouse | Actor | 2009 | 1 | |
| Kundt-Petters, Karin | Karin Kundt-Petters | Actor | 2009 | 1 | |
| Kröger, Olav | Olav Kröger | Composer | 2009 | 1 | |
| Kobayashi, Motoka | Motoka Kobayashi | Actor | 2009 | 1 | |
| Koepp, Juliane | Juliane Koepp | Dramaturg | 2008 - 2016 | 2 | |
| Kelley, Kristen Tripp | Kristen Tripp Kelley | Actor | 2009 | 1 | |
| Küster, Raiko | Raiko Küster | Actor | 2009 - 2010 | 2 | |
| Kunkel, Holger | Holger Kunkel | Actor | 2009 - 2010 | 2 | |
| Kalvaitytė, Jurga | Jurga Kalvaitytė | Actor | 2009 - 2011 | 4 | |
| Kielaitė, Donata | Donata Kielaitė | Actor | 2009 - 2011 | 3 | |
| Klott, Julius | Julius Klott | Actor | 1901 | 1 | |
| Krebs, Alexander | Alexander Krebs | Director | 2008 | 1 | |
| Kießling, Sina | Sina Kießling | Actor | 2008 - 2018 | 7 | |
| Keabler, John | John Keabler | Actor | 2009 | 1 | |
| Kesterson, Colleen | Colleen Kesterson | Costume Designer | 2009 | 1 | |
| Knox, Ryan Parker | Ryan Parker Knox | Actor | 2009 | 1 | |
| Kirsten, Johannes | Johannes Kirsten | Dramaturg | 2009 - 2010 | 4 | |
| Kallay, Emily | Emily Kallay | Costume Designer | 2009 | 1 | |
| Kleinheinz, Johann | Johann Kleinheinz | Lighting Designer | 2008 | 1 | |
| Kasal, Gerhard | Gerhard Kasal | Actor | 2008 | 2 | |
| Kredell, Kieran | Kieran Kredell | Actor, Dramaturg | 2008 - 2009 | 2 | |
| Kyle, Mackenzie | Mackenzie Kyle | Actor | 2009 | 1 | |
| Kyun, Cheong Hae | Cheong Hae Kyun | Actor | 2009 - 2012 | 3 | |
| Koon, Yeo Kook | Yeo Kook Koon | Lighting Designer | 2009 - 2012 | 3 | |
| Kleber, Bernhard | Bernhard Kleber | Designer | 2009 | 1 | |
| Küster, Martina | Martina Küster | Costume Designer | 2009 - 2011 | 4 | |
| King, Ian | Ian King | Actor | 2008 | 1 | |
| Kosydar, Isaac | Isaac Kosydar | Actor | 2008 | 1 | |
| Krautz, Steffi | Steffi Krautz | Actor | 1999 - 2011 | 4 | |
| Krämer, Norbert | Norbert Krämer | Musician | 2008 - 2009 | 1 | |
| Khuon , Nora | Nora Khuon | Dramaturg | 2008 - 2013 | 4 | |
| Kummer, Hans-Rudolf | Hans-Rudolf Kummer | Actor | 2008 - 2009 | 2 | |
| Kennedy, Susanne | Susanne Kennedy | Adaptation, Director | 2008 - 2012 | 10 | |
| Kumar, Hitender | Hitender Kumar | Actor | 2008 | 1 | |
| Kaur, Ramanjit | Ramanjit Kaur | Actor | 2008 | 1 | |
| Kaur, Taranjit | Taranjit Kaur | Actor | 2008 | 1 | |
| Krzischek, Th. | Th. Krzischek | Actor | 1880 | 1 | |
| Kreith, Hans | Hans Kreith | Actor | 1890 | 1 | |
| Kistner, Thomas | Thomas Kistner | Actor | 2010 - 2011 | 6 | |
| Kreideweis, Bernd | Bernd Kreideweis | Actor | 2010 - 2011 | 6 | |
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