| Klünder, Ingo | Ingo Klünder | Actor | 2006 - 2007 | 2 | |
| Kaškovskaja, Julia | Julia Kaškovskaja | Actor | 2006 | 2 | |
| Kazanavičius, Aleksas | Aleksas Kazanavičius | Actor | 2006 - 2007 | 2 | |
| Kaminski, Marya, Sea | Marya Sea Kaminski | Actor | 2007 - 2012 | 2 | |
| Kayne, Ana | Ana Kayne | Actor | 2009 - 2010 | 2 | |
| Karnowsky, Friedrich | Friedrich Karnowsky | Actor | 1919 | 2 | |
| Kittel, Jost Ingolf | Jost Ingolf Kittel | Actor | 2008 - 2009 | 2 | |
| Kunze, Charlotte | Charlotte Kunze | Actor | 1925 - 1929 | 2 | |
| Kley, Richard | Richard Kley | Actor | 1933 - 1962 | 2 | |
| Kübart, Otto | Otto Kübart | Actor | 1941 - 1943 | 2 | |
| Kreuter, Horst | Horst Kreuter | Actor | 1949 - 1962 | 2 | |
| Kleemann, Fredi | Fredi Kleemann | Actor | 1965 | 2 | |
| Kielly, Matt | Matt Kielly | Actor | 2008 | 2 | |
| Khan, Ahsan, Reza | Ahsan Reza Khan | Composer | 2015 | 2 | |
| Kemper, Nina | Nina Kemper | Costume Designer | 1956 - 1973 | 2 | |
| Klever, Heinz | Heinz Klever | Actor | 1993 | 2 | |
| Konstantinakou, Katerina | Katerina Konstantinakou | Dramaturg | 2008 - 2012 | 2 | |
| Krutzler, Christoph, F. | Christoph F. Krutzler | Actor | 2008 | 2 | |
| Kaminsky, Abraham Isaac | Abraham Isaac Kaminsky | Actor | 1910 | 2 | |
| Koppler, Dieter | Dieter Koppler | Actor | 1986 | 2 | |
| Kettler, Nadine | Nadine Kettler | Actor | 2009 - 2013 | 2 | |
| Koepp, Juliane | Juliane Koepp | Dramaturg | 2008 - 2015 | 2 | |
| Küster, Raiko | Raiko Küster | Actor | 2009 | 2 | |
| Kunkel, Holger | Holger Kunkel | Actor | 2009 | 2 | |
| Kasal, Gerhard | Gerhard Kasal | Actor | 2008 | 2 | |
| Kredell, Kieran | Kieran Kredell | Actor, Dramaturg | 2008 - 2009 | 2 | |
| Kummer, Hans-Rudolf | Hans-Rudolf Kummer | Actor | 2008 - 2009 | 2 | |
| Kotlowitz, Dan | Dan Kotlowitz | Lighting Designer | 2010 - 2017 | 2 | |
| Kalin, Ali Osman | Ali Osman Kalin | Actor | 2010 | 2 | |
| Kark, Tõnu | Tõnu Kark | Actor | 1999 - 2010 | 2 | |
| Koch, Vera | Vera Koch | Costume Designer, Designer | 2010 | 2 | |
| Kistaiah, Pillutla | Pillutla Kistaiah | Actor | 2015 | 2 | |
| Kase, Kalvin | Kalvin Kase | Actor | 2001 - 2010 | 2 | |
| Kaizar, Peter | Peter Kaizar | Composer | 1998 - 2010 | 2 | |
| Kovaļevska, Laura | Laura Kovaļevska | Designer | 2009 - 2010 | 2 | |
| Krisch, Vera | Vera Krisch | Costume Designer | 2009 | 2 | |
| Kabir, Ahmedul | Ahmedul Kabir | Director | 2009 | 2 | |
| Khanam, Farhana | Farhana Khanam | Designer | 2009 | 2 | |
| Keßler, Lutz | Lutz Keßler | Dramaturg | 2010 - 2017 | 2 | |
| Kostopoulou, Niovi | Niovi Kostopoulou | Actor | 2009 | 2 | |
| Kawade, Dhanendra | Dhanendra Kawade | Designer, Lighting Designer | 2009 | 2 | |
| Kreuziger, Peter | Peter Kreuziger | Actor | 1965 | 2 | |
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