| Kittmann, Jan | Jan Kittmann | Actor | 2010 - 2011 | 12 | 2 |
| Kniploks, Ingus | Ingus Kniploks | Actor | 2010 | 1 | 2 |
| Keane, Aidan | Aidan Keane | Actor | 2012 | 1 | 2 |
| Krzysch, Caspar | Caspar Krzysch | Actor | 2012 | 1 | 2 |
| Kanaga, Chris | Chris Kanaga | Actor | 2012 | 1 | 2 |
| Kajander, Kristin | Kristin Kajander (Kristin Kajander) | Actor | 1991 - 2010 | 66 | 3 |
| Kalinowski, Jenna | Jenna Kalinowski (Jenna Kalinowski) | Actor | 2006 | 1 | 3 |
| Kaur, Lavleen | Lavleen Kaur (Lavleen Kaur) | Actor, Choreographer | 2006 | 54 | 3 |
| Keil, Enrique | Enrique Keil (Enrique Keil) | Actor | 1993 - 2016 | 12 | 3 |
| Kuhl, Manja | Manja Kuhl (Manja Kuhl) | Actor | 2010 - 2012 | 14 | 3 |
| Kesting, Hans | Hans Kesting (Hans Kesting) | Actor | 2011 - 2021 | 19 | 3 |
| Klan, Rune | Rune Klan | Actor, Adaptation | 2005 - 2006 | 18 | 3 |
| Küppers, Winfried | Winfried Küppers | Actor | 1983 - 2010 | 8 | 3 |
| Kanev, Lyuben | Lyuben Kanev | Actor | 2011 - 2012 | 6 | 3 |
| Kabasakalova, Elena | Elena Kabasakalova | Actor | 2011 - 2012 | 6 | 3 |
| Kiss-Végh, Emőke | Emőke Kiss-Végh | Actor, Adaptation | 2009 - 2016 | 7 | 3 |
| Komissarenko, Elena | Elena Komissarenko | Actor | 2006 | 2 | 3 |
| Klesse, Thomas | Thomas Klesse | Actor | 2007 | 1 | 3 |
| Kreß, Janine | Janine Kreß | Actor | 1999 - 2012 | 4 | 3 |
| Karg, Verena | Verena Karg | Actor | 2010 | 11 | 3 |
| Krause, Matti | Matti Krause | Actor | 2012 | 1 | 3 |
| Kimmelman, Vladimir | Vladimir Kimmelman | Actor | 2012 | 1 | 3 |
| Karl, Johannes | Johannes Karl | Actor | 2012 | 1 | 3 |
| Klenk, Jochen | Jochen Klenk | | | | 3 |
| Knight, Johnny | Johnny Knight | | | | 3 |
| Kiermeyer, Gert | Gert Kiermeyer | | | | 3 |
| Korte, Christine | Christine Korte (Christine Korte) | Actor | 2007 - 2009 | 2 | 4 |
| Kehrstephan, Evi | Evi Kehrstephan | Actor | 2012 - 2013 | 3 | 4 |
| Kalliomäki, Tapani | Tapani Kalliomäki | Actor | 2008 - 2012 | 4 | 4 |
| Kristjánsdóttir, Ilmur | Ilmur Kristjánsdóttir | Actor | 2011 | 1 | 4 |
| Keil, Esther | Esther Keil | Actor | 2011 | 2 | 4 |
| Knoch, Gabriela | Gabriela Knoch | | | | 4 |
| Knapp, Alexander, T. | Alexander T. Knapp | | | | 4 |
| Keelen, Casey | Casey Keelen | | | | 4 |
| Körner, Wenzel | Wenzel Körner | | | | 4 |
| Kristovic, Matej | Matej Kristovic | | | | 4 |
| Ketz, Dominik | Dominik Ketz | | | | 4 |
| Köhler, Anja | Anja Köhler | | | | 4 |
| Köstlinger, Maria | Maria Köstlinger (Maria Köstlinger) | Actor | 2005 - 2012 | 5 | 5 |
| Kaada, Glenn André | Glenn André Kaada (Glenn André Kaada) | Actor, Adaptation, Director | 2006 - 2017 | 57 | 5 |
| Keliuotytė, Ausra | Ausra Keliuotytė (Ausra Keliuotytė) | Actor | 1988 | 1 | 5 |
| Krohn-Svaleng, Vera | Vera Krohn-Svaleng | Dramaturg, Producer | 2014 - 2017 | 5 | 5 |
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