| Karyo, Tcheky | Tcheky Karyo | Actor | 2003 | 6 | |
| Kéruzoré, Valérie | Valérie Kéruzoré | Actor | 2003 | 6 | |
| Kaplan, Jérôme | Jérôme Kaplan | Costume Designer | 2003 | 6 | |
| König, Miloslav | Miloslav König | Actor | 2010 - 2022 | 6 | 3 |
| Klein, Georg | Georg Klein | Composer | 2004 - 2008 | 6 | 1 |
| Kvorning, Berrit | Berrit Kvorning | Actor | 2004 - 2005 | 6 | |
| Kazek, John | John Kazek | Actor | 2005 | 6 | |
| Koller, Anne-Julia | Anne-Julia Koller | Actor | 2005 - 2006 | 6 | |
| Koziakova, Elena | Elena Koziakova | Dancer | 2001 - 2002 | 6 | |
| Kampwirth, Jan-Peter | Jan-Peter Kampwirth | Actor | 2006 - 2015 | 6 | 2 |
| Kielhorn, Ulrich | Ulrich Kielhorn | Actor | 2007 | 6 | |
| Kleinert, Matthias | Matthias Kleinert | Actor, Choreographer | 2007 - 2015 | 6 | 1 |
| Korander, Willehard | Willehard Korander | Actor | 2008 | 6 | |
| Kästel, Tatjana | Tatjana Kästel | Actor | 2008 | 6 | |
| Kumar, Sanjeet | Sanjeet Kumar | Actor | 2015 | 6 | |
| Kamula, Toni | Toni Kamula | Actor | 2008 | 6 | 1 |
| Kistner, Thomas | Thomas Kistner | Actor | 2010 | 6 | |
| Kreideweis, Bernd | Bernd Kreideweis | Actor | 2010 | 6 | |
| Kroll, Christopher | Christopher Kroll | Actor | 2010 | 6 | |
| Koppe, Jon-Kaare | Jon-Kaare Koppe | Actor | 2009 - 2021 | 6 | 1 |
| Kržišnik, Ana | Ana Kržišnik | Adaptation, Dramaturg | 2010 - 2012 | 6 | |
| Knaipp, Alexander | Alexander Knaipp | Actor | 2011 | 6 | |
| Knapper, Tim | Tim Knapper | Actor | 2013 - 2014 | 6 | |
| Knight, Esmond | Esmond Knight | Actor | 1961 - 1962 | 6 | |
| Kotelenets, Alexander | Alexander Kotelenets | Actor | 2012 | 6 | |
| Kenny, Angela | Angela Kenny | Actor | 2012 | 6 | |
| Kokoschka, Oskar | Oskar Kokoschka | Costume Designer, Designer | 1960 - 1961 | 6 | 1 |
| Keil, Anna | Anna Keil | Actor | 2011 - 2018 | 6 | 1 |
| Krehl, Christian | Christian Krehl | Actor | 2011 | 6 | |
| Kripalani, Pushan | Pushan Kripalani | Director, Musical Director | 2016 - 2017 | 6 | |
| Krosely, Dario | Dario Krosely | Actor | 2013 | 6 | |
| Kvam, Sigvald | Sigvald Kvam | Actor | 1936 - 1942 | 6 | |
| Kincses, Elemer | Elemer Kincses | Adaptation, Director, Musical Director | 2013 - 2015 | 6 | |
| Kraft, Martine | Martine Kraft | Actor, Composer | 2006 - 2012 | 6 | |
| Keogh, Jeff | Jeff Keogh | Actor | 2001 | 6 | |
| King, Dennis | Dennis King | Actor | 1937 - 1938 | 7 | 1 |
| Kaczyńska, Joanna | Joanna Kaczyńska | Designer | 2006 - 2009 | 7 | |
| Karsten, Herbert | Herbert Karsten | Actor | 1954 - 1989 | 7 | |
| Kavanaugh, Rachel | Rachel Kavanaugh | Director | 2004 | 7 | 1 |
| Kielland, Jacob | Jacob Kielland | Adaptation, Translator | 1974 - 2004 | 7 | 1 |
| Knina, Gustav | Gustav Knina | Designer | 1907 - 1918 | 7 | |
| Knorr, Hilmar | Hilmar Knorr | Actor | 1876 - 1881 | 7 | 1 |
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