| Kolsrud, Lasse | Lasse Kolsrud | Actor | 1991 - 2013 | 77 | 1 |
| Kovács, Angela | Angela Kovács | Actor | 1991 - 2013 | 28 | 1 |
| Konarska, Marta | Marta Konarska | Actor | 1991 - 2012 | 8 | |
| Korper, Debbie | Debbie Korper | Actor | 1991 - 2012 | 117 | |
| Kalman, Jean | Jean Kalman | Lighting Designer | 1991 - 2011 | 10 | |
| Kajander, Kristin | Kristin Kajander | Actor | 1991 - 2010 | 66 | 3 |
| Kormákur, Baltasar | Baltasar Kormákur | Actor, Director | 1991 - 2008 | 8 | |
| Kabler, Wolf-Dieter | Wolf-Dieter Kabler | Actor | 1991 - 2008 | 3 | |
| Kulas, Leo | Leo Kulas | Costume Designer | 1991 - 2007 | 4 | |
| Krug, Ines | Ines Krug | Actor | 1991 - 2006 | 7 | |
| Kataleifos, Dimitris | Dimitris Kataleifos | Actor | 1991 - 2004 | 5 | |
| Kunze, Rüdiger Walter | Rüdiger Walter Kunze | Actor, Director | 1991 - 2004 | 3 | |
| Karaïndrou, Eleni | Eleni Karaïndrou | Composer | 1991 - 2004 | 2 | |
| Kuhlmann, Ulrich | Ulrich Kuhlmann | Actor | 1991 - 2001 | 3 | |
| Kwiatkowska, Tatiana | Tatiana Kwiatkowska | Costume Designer | 1991 - 1997 | 2 | |
| Krukówna, Agnieszka | Agnieszka Krukówna | Actor | 1991 - 1997 | 4 | |
| Kocsó, Gábor | Gábor Kocsó | Actor | 1991 - 1994 | 6 | |
| Kypourgos, Nikos | Nikos Kypourgos | Composer | 1991 - 1994 | 2 | |
| Kuhn, Hans Peter | Hans Peter Kuhn | Composer, Sound Designer | 1991 - 1993 | 7 | |
| Korpi, Jukka | Jukka Korpi | Actor | 1991 - 1993 | 20 | |
| Kulle, Gerthi | Gerthi Kulle | Actor | 1991 - 1993 | 15 | 1 |
| Koschel, Uta | Uta Koschel | Actor | 1991 - 1993 | 2 | |
| Kooij, Paul, R. | Paul R. Kooij | Actor | 1991 - 1992 | 14 | |
| Kagimoto, Keiko | Keiko Kagimoto | Actor | 1991 | 1 | |
| Kaizik, Jürgen | Jürgen Kaizik | Director | 1991 | 1 | |
| Komatsu, Masao | Masao Komatsu | Actor | 1991 | 1 | |
| Kuhlmann, Harald | Harald Kuhlmann | Actor | 1991 | 1 | 1 |
| Kinzler, Johannes | Johannes Kinzler | Actor | 1991 | 1 | |
| Kruttke, Daniel | Daniel Kruttke | Actor | 1991 | 1 | |
| Kruttke, Katharina | Katharina Kruttke | Actor | 1991 | 1 | |
| Klein, Lohne | Lohne Klein | Actor | 1991 | 1 | |
| Karlsen, Jens Petter | Jens Petter Karlsen | Actor | 1991 | 1 | |
| Kruse, Bjørn H. | Bjørn H. Kruse | Composer | 1991 | 38 | |
| Kwetzinsky, Joachim Kjelsaas | Joachim Kjelsaas Kwetzinsky | Actor | 1991 | 12 | |
| Kalanovski, Vesselin | Vesselin Kalanovski | Actor | 1991 | 1 | |
| Klugt, Niko van der | Niko van der Klugt | Designer, Lighting Designer | 1991 | 2 | |
| Kimman, Mirjam | Mirjam Kimman | Musician | 1991 | 1 | |
| Klugt, Nathalie, van der | Nathalie van der Klugt | Actor | 1991 | 2 | |
| Kouwenberg, Jasper, Klein | Jasper Klein Kouwenberg | Actor | 1991 | 3 | |
| Kraft, Karin | Karin Kraft | Actor | 1991 | 1 | |
| Kerssenbrock, Verena, von | Verena von Kerssenbrock | Designer | 1991 | 3 | |
| Konstantakopoulos, Ilias | Ilias Konstantakopoulos | Lighting Designer | 1991 | 1 | |
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