| Kalker, Fabian | Fabian Kalker | Musical Director, Musician | 2015 - 2016 | 2 | |
| Kuhn, Severin | Severin Kuhn | Designer | 2016 | 1 | |
| Kreckel, Susanne | Susanne Kreckel | Actor | 2010 - 2017 | 21 | |
| Kraus, Maximilian | Maximilian Kraus | Actor | 2016 | 1 | |
| Keck, Julian | Julian Keck | Actor | 2011 - 2016 | 7 | |
| Krämer, Eva | Eva Krämer | Costume Designer | 2016 | 1 | |
| Korman, Yosef | Yosef Korman | Actor | 2010 | 1 | |
| Keenan, Tamar | Tamar Keenan | Actor | 2010 | 1 | |
| Kahnwald, Nils | Nils Kahnwald | Actor | 2010 - 2013 | 3 | |
| Kallenberg, Jim | Jim Kallenberg | Actor | 2010 - 2011 | 2 | |
| Kuplikar, Arvind | Arvind Kuplikar | Actor | 2010 | 1 | |
| Kote, Seeta | Seeta Kote | Actor | 2010 | 1 | |
| Khan, Firos | Firos Khan | Costume Designer | 2010 | 1 | |
| Koshy, Jose | Jose Koshy | Lighting Designer | 2010 | 1 | |
| K., Gopalan | Gopalan K. | Actor | 2010 | 1 | |
| Kani, - | - Kani | Actor | 2010 | 1 | |
| Kržišnik, Ana | Ana Kržišnik | Adaptation, Dramaturg | 2010 - 2012 | 6 | |
| Kapoor, Raja | Raja Kapoor | Choreographer | 2010 | 1 | |
| Klimczyk, Justina | Justina Klimczyk | Costume Designer | 2010 - 2014 | 2 | |
| Kessler, David | David Kessler | Actor | 2011 | 1 | |
| Kissman, Jim | Jim Kissman | Actor | 2011 | 1 | |
| Kee, Thomas | Thomas Kee | Adaptation, Director | 2010 | 2 | |
| Körner, Christel | Christel Körner | Actor | 2011 - 2013 | 2 | |
| Kedfors, Mathias | Mathias Kedfors | Actor | 2011 | 4 | |
| Kiely, Tim | Tim Kiely | Actor | 2010 | 1 | |
| Kalinski, Claudia | Claudia Kalinski | Designer | 2010 | 1 | |
| Kaiser, Rudolf | Rudolf Kaiser | Actor | 2011 | 5 | |
| Kuenti, Sam | Sam Kuenti | Actor | 2011 | 5 | |
| Kall, Kait | Kait Kall | Actor | 2011 | 1 | |
| Kartau, Ott | Ott Kartau | Actor | 2011 | 1 | |
| Kaseleht, Katre | Katre Kaseleht | Actor | 2011 | 1 | |
| Kubu, Epp | Epp Kubu | Designer | 2011 | 1 | |
| Kulpsoo, Oliver | Oliver Kulpsoo | Lighting Designer | 2011 | 1 | |
| Kaczorowski, Hunter | Hunter Kaczorowski | Costume Designer | 2010 | 1 | |
| King, Jarrett | Jarrett King | Actor | 2011 | 1 | |
| Karewicz, Emil | Emil Karewicz | Actor | 1964 | 1 | |
| Kunath, Gerd | Gerd Kunath | Actor | 1964 - 1990 | 2 | |
| Kupper, Fritz | Fritz Kupper | Actor | 1964 | 1 | |
| Kling, Esther | Esther Kling | Costume Designer, Mask Maker | 1963 - 1964 | 3 | |
| Kalniņš, Imants | Imants Kalniņš | Composer | 1964 | 1 | |
| Koon, Robert | Robert Koon | Actor, Lighting Designer | 1948 - 2018 | 3 | |
| Kardasz, Jordan | Jordan Kardasz | Lighting Designer | 2011 | 1 | |
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