| Keßler, Lutz | Lutz Keßler | Dramaturg | 2010 - 2011 | 2 | |
| Kostopoulou, Niovi | Niovi Kostopoulou | Actor | 2009 - 2010 | 2 | |
| Kiesewalter, Anja Nadine | Anja Nadine Kiesewalter | Actor | 2009 - 2010 | 2 | |
| Kawade, Dhanendra | Dhanendra Kawade | Designer, Lighting Designer | 2009 | 2 | |
| Kreuziger, Peter | Peter Kreuziger | Actor | 1965 - 1966 | 2 | |
| Kerry, Otto | Otto Kerry | Actor | 1952 - 1966 | 2 | |
| Kuhnert, Marja | Marja Kuhnert | Actor | 1960 | 2 | |
| Kalker, Fabian | Fabian Kalker | Musical Director, Musician | 2015 - 2016 | 2 | |
| Kallenberg, Jim | Jim Kallenberg | Actor | 2010 - 2013 | 2 | |
| Klimczyk, Justina | Justina Klimczyk | Costume Designer | 2010 - 2013 | 2 | |
| Kniploks , Ingus | Ingus Kniploks | Actor | 2010 - 2012 | 2 | 2 |
| Kee , Thomas | Thomas Kee | Adaptation, Director | 2010 | 2 | |
| Körner, Christel | Christel Körner | Actor | 2011 - 2013 | 2 | |
| Kunath, Gerd | Gerd Kunath | Actor | 1964 | 2 | |
| Klar, Katharina | Katharina Klar | Actor | 2011 | 2 | |
| Kalējs, Artūrs | Artūrs Kalējs | Actor | 1937 | 2 | |
| Krauklis, Atis | Atis Krauklis | Actor | 1939 | 2 | |
| Kentner, Lisa | Lisa Kentner | Costume Designer | 2012 - 2013 | 2 | |
| Khuon, Alexander | Alexander Khuon | Actor | 2013 | 2 | |
| Kittel, Hank, Irwin | Hank Irwin Kittel | Designer | 2014 - 2018 | 2 | |
| Kaczmarek, Jürgen | Jürgen Kaczmarek | Actor | 2000 - 2016 | 2 | |
| Kessler, Torben | Torben Kessler | Actor | 2011 - 2013 | 2 | |
| Kittel, Marianne | Marianne Kittel | Actor | 2011 | 2 | 2 |
| Kaback, Doug | Doug Kaback | Adaptation, Director | 2012 | 2 | |
| Krenus, Filip | Filip Krenus | Actor | 2009 - 2012 | 2 | |
| Klett, Marcel | Marcel Klett | Dramaturg | 2011 - 2012 | 2 | |
| Kalodiki, Georgia | Georgia Kalodiki | Composer, Sound Designer | 2012 | 2 | |
| Kuhls, Thessy | Thessy Kuhls | Actor | 1961 - 1964 | 2 | |
| Koppenhöfer, Charlotte | Charlotte Koppenhöfer | Director | 2013 - 2017 | 2 | |
| Koch, Eik | Eik Koch | Actor, Director | 1956 | 2 | |
| Koppel, Herman, D. | Herman D. Koppel | Composer, Conductor | 1964 | 2 | |
| Karantzas, Dimitris | Dimitris Karantzas | Director | 2012 - 2016 | 2 | |
| Kidwell, Erin | Erin Kidwell | Actor | 2016 - 2020 | 2 | |
| Kling, Kris | Kris Kling | Actor | 2013 - 2016 | 2 | |
| Keene, Jay, B. | Jay B. Keene | Designer, Lighting Designer | 1963 | 2 | |
| Kudakwashe, Michael | Michael Kudakwashe | Actor | 2015 - 2016 | 2 | |
| Kieling, Wolfgang | Wolfgang Kieling | Actor | 1963 | 2 | |
| Keating, Charles | Charles Keating | Actor | 1962 - 1963 | 2 | |
| Keats, Viola | Viola Keats | Actor | 1962 | 2 | |
| Keim-Strauß, Anni | Anni Keim-Strauß | Costume Designer | 1951 | 2 | |
| Koettenich, Hans, M. | Hans M. Koettenich | Actor | 1960 | 2 | |
| Kraft, Holger | Holger Kraft | Actor | 2011 - 2017 | 2 | |
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