| Kull, Vibeke | Vibeke Kull | Actor | 1980 | 1 | |
| Kraemer, Martin | Martin Kraemer | Costume Designer, Designer | 1995 - 2004 | 8 | |
| Kaufmann, Ulla | Ulla Kaufmann | Actor | 1980 | 1 | |
| Kneubühl, Franziska | Franziska Kneubühl | Costume Designer | 1996 | 1 | |
| Krolik, Sandra | Sandra Krolik | Actor | 1996 | 1 | |
| Kern, Jürgen | Jürgen Kern | Director | 1996 | 1 | |
| Kramann, Augustin | Augustin Kramann | Actor | 1996 | 1 | |
| Kröhn, Ekkehart | Ekkehart Kröhn | Designer | 1996 | 1 | |
| Kröhn, Marte | Marte Kröhn | Costume Designer | 1996 - 1998 | 2 | |
| Klecker, Angela | Angela Klecker | Actor | 1996 | 1 | |
| Karlsson, Jeanette | Jeanette Karlsson | Actor | 1995 | 2 | |
| Krussenberg, Corinna | Corinna Krussenberg | Mask Maker | 1995 | 1 | |
| Kotev, Emil | Emil Kotev | Actor | 1996 | 1 | |
| Költgen, Dennis | Dennis Költgen | Actor | 1995 | 1 | |
| Kerekes, Viktória | Viktória Kerekes | Actor | 1996 | 1 | |
| Kesztlerné, Júlia, Kápolnai | Júlia Kápolnai Kesztlerné | Actor | 1909 | 1 | |
| Kemp, Bill | Bill Kemp | Actor | 1996 | 1 | |
| König, Klaus-Dieter | Klaus-Dieter König | Actor | 1980 - 2002 | 3 | |
| Kahn, Ian | Ian Kahn | Actor | 1996 | 1 | |
| Kofmel, Richard | Richard Kofmel | Actor | 1996 | 1 | |
| Kner, Peter | Peter Kner | Actor | 1996 | 1 | |
| Kadow, Siegfried | Siegfried Kadow | Actor | 1996 - 2000 | 4 | |
| Karácsony, Tamás | Tamás Karácsony | Actor | 1996 | 1 | |
| Kovács, Zsuzsanna | Zsuzsanna Kovács | Actor, Director | 1996 - 2019 | 8 | |
| Kelemen, József | József Kelemen | Actor | 1996 | 1 | |
| King, Jacqueline | Jacqueline King | Actor | 1980 | 5 | |
| Kempf, Tobias | Tobias Kempf | Actor | 1996 - 1997 | 8 | |
| Kopetty, Samuel | Samuel Kopetty | Actor | 1996 - 1997 | 8 | |
| Kotková, Eva | Eva Kotková | Costume Designer | 1995 | 1 | |
| Kaczmarek, Jan, A. P. | Jan Andrzej Paweł Kaczmarek | Composer | 1995 | 1 | |
| Kösters, Johannes, M. | Johannes M. Kösters | Actor | 1996 | 1 | |
| Kubelka, Christina | Christina Kubelka | Actor | 1996 | 1 | |
| Kissel, Hiltrud | Hiltrud Kissel | Director, Dramaturg | 1995 - 1996 | 3 | |
| Kliem, Klaus-Peter | Klaus-Peter Kliem | Actor | 1996 | 1 | |
| Keck, Sandra | Sandra Keck | Actor | 1995 | 1 | |
| Keen, Karen | Karen Keen | Designer | 1996 | 1 | |
| Krawczyk, Jan | Jan Krawczyk | Actor | 1996 - 2006 | 3 | |
| Kőmíves, Mihály | Mihály Kőmíves | Actor | 1965 - 1996 | 3 | |
| Kendall, Merelina | Merelina Kendall | Actor | 1996 | 3 | |
| Konrádová, Kamila | Kamila Konrádová | Dramaturg | 1996 - 2012 | 2 | |
| Kwieciński, Michał | Michał Kwieciński | Director | 1997 | 1 | |
| Kujszczuk, Magdalena | Magdalena Kujszczuk | Designer | 1997 | 1 | |
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