| Komissarzhevskaya, Vera F. | Ве́ра Фё́доровна Комиссарже́вская (Vera F. Komissarzhevskaya) | Actor, Producer | 1904 - 1908 | 7 | 14 |
| Klára, Tompa | Tompa Klára (Tompa Klára) | Actor | 1905 - 2010 | 7 | 8 |
| Kjølvik, John | John Kjølvik | | | | 8 |
| Keller, Judith | Judith Keller (Judith Keller) | Actor | 1993 - 2008 | 3 | 7 |
| Krügel, Dietrich | Dietrich Krügel | | | | 7 |
| Kjelbye, Ola | Ola Kjelbye | | | | 7 |
| Klausen, Henrik | Henrik Klausen (Henrik Klausen) | Actor | 1861 - 1903 | 64 | 6 |
| Krasov, Nikolai | Nikolai Krasov | Actor | 1899 - 1905 | 3 | 6 |
| Konakchiiska, Veselina | Veselina Konakchiiska | Actor | 2010 - 2012 | 7 | 6 |
| Krasikov, Valentin | Valentin Krasikov | | | | 6 |
| Kruszewski, Marek | Marek Kruszewski | | | | 6 |
| 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 |
| König, Sebastian | Sebastian König | Actor | 2014 | 1 | 5 |
| Karásek, Jan | Jan Karásek | Actor | 1989 | 3 | 5 |
| Knutli, Lena | Lena Knutli | | | | 5 |
| Kaesler, Markus | Markus Kaesler | | | | 5 |
| Křivánek, Pavel | Pavel Křivánek | | | | 5 |
| Kubic, Piotr | Piotr Kubic | | | | 5 |
| Kavanagh, Ros | Ros Kavanagh | | | | 5 |
| Kross, Marlies | Marlies Kross | | | | 5 |
| 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 |
| 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 |
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