| Kasan, Eloise | Eloise Kasan | Costume Designer | 2006 | 1 | |
| Koganei, Atsushi | Atsushi Koganei | Actor | 2006 | 3 | |
| Kawanaka, Kenjiro | Kenjiro Kawanaka | Actor | 2006 | 3 | |
| Kamogawa, Tenshi | Tenshi Kamogawa | Actor | 2006 | 3 | |
| Kirk, Catherine | Catherine Kirk | Actor | 2006 | 1 | |
| Kanji, Thomas | Thomas Kanji | Actor | 2006 | 1 | |
| Kloska, Joseph | Joseph Kloska | Actor | 2006 | 1 | |
| Kilpatrick, Caroline | Caroline Kilpatrick | Actor | 2006 | 1 | |
| Kautter, Inken | Inken Kautter | Director | 2006 | 2 | |
| Kjærbye, Kuno | Kuno Kjærbye | Composer | 2006 | 2 | |
| Khare, Motilal | Motilal Khare | Actor | 2006 | 1 | |
| Križan, Martin | Martin Križan | Actor | 2006 - 2007 | 3 | |
| Konečná, Zuzana | Zuzana Konečná | Actor | 2006 - 2007 | 3 | |
| Kallmeyer, Henner | Henner Kallmeyer | Director | 2006 - 2007 | 2 | |
| Kirilova, Anna | Anna Kirilova | Costume Designer, Designer | 2006 | 2 | |
| Kaul, Bansi | Bansi Kaul | Designer, Director | 2006 | 2 | |
| Kawsar, Sumi | Sumi Kawsar | Actor | 2006 | 1 | |
| Kuzmanich, Roberto | Roberto Kuzmanich | Director, Lighting Designer, Sound Designer | 2006 | 3 | |
| Kronzer, James | James Kronzer | Designer | 2006 | 2 | |
| Klau-Emken, Dieter | Dieter Klau-Emken | Actor | 2006 | 1 | |
| Kingsley, Ben | Ben Kingsley | Actor | 2017 | 1 | |
| Kehlmann, Michael | Michael Kehlmann | Director | 1961 | 1 | |
| Kåberg, Camilla | Camilla Kåberg | Designer | 2007 | 1 | |
| Kuzmany, Elfriede | Elfriede Kuzmany | Actor | 1961 - 1981 | 3 | |
| Kern, Hans | Hans Kern | Actor | 1961 | 1 | |
| Kuivalainen, Mirva | Mirva Kuivalainen | Actor | 2007 | 1 | |
| Kersten, Daniel | Daniel Kersten | Actor | 2007 | 7 | |
| Kielhorn, Ulrich | Ulrich Kielhorn | Actor | 2007 | 6 | |
| Kuska, Sonja | Sonja Kuska | Actor | 1944 | 1 | |
| Kutz, Walter | Walter Kutz | Designer | 1944 | 1 | |
| Krassowski , Laura | Laura Krassowski | Lighting Designer | 2007 | 1 | |
| Krasser, Alex | Alex Krasser | Actor | 2007 | 1 | |
| Krug, Andrew | Andrew Krug | Actor | 2007 | 1 | |
| Kornysheva , Daria | Daria Kornysheva | Costume Designer | 2007 - 2008 | 2 | |
| Kulle, Hanna | Hanna Kulle | Actor | 2006 | 5 | |
| Kleinert, Matthias | Matthias Kleinert | Actor, Choreographer | 2007 - 2015 | 6 | |
| Kreil, Roswitha | Roswitha Kreil | Actor | 2006 | 1 | |
| Kuljic, Jelena | Jelena Kuljic | Actor | 2006 | 1 | |
| Köhler, Tilmann | Tilmann Köhler | Choreographer, Director | 2006 - 2017 | 4 | |
| Kuggeleyn, Arthur | Arthur Kuggeleyn | Choreographer, Director | 2006 | 2 | |
| Kroesinger, Hans-Werner | Hans-Werner Kroesinger | Choreographer, Director | 2006 | 2 | |
| Kerim, Mohamed Abdedl | Mohamed Abdedl Kerim | Actor | 2006 | 5 | |
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