| Kostřiba, Josef | Josef Kostřiba | Musical Director | 1988 | 1 | |
| Kupfernagel, Matthias | Matthias Kupfernagel | Designer | 1988 | 1 | |
| Kingelin, Juha | Juha Kingelin | Actor | 1988 | 1 | |
| Kruger, Beatrice | Beatrice Kruger | Actor | 1988 | 1 | |
| Kern, Georges | Georges Kern | Actor | 1988 | 7 | |
| Kanter, Christoph | Christoph Kanter | Designer | 1988 | 1 | |
| Karamiteva, Margarita | Margarita Karamiteva | Actor | 1988 | 1 | |
| Karaivanova, Zhana | Zhana Karaivanova | Actor | 1988 | 1 | |
| King, Howard | Howard King | Lighting Designer | 1988 | 1 | |
| Krikorian, Paul | Paul Krikorian | Actor | 1988 | 1 | |
| Knott, Dewayne | Dewayne Knott | Director | 1988 | 1 | |
| Kraupa, Arpád | Arpád Kraupa | Actor | 1988 | 1 | 1 |
| Krane, Målfrid | Målfrid Krane | Actor | 1988 | 1 | |
| Kaare, Beate | Beate Kaare | Actor | 1988 | 1 | |
| Kvifte, Tellef | Tellef Kvifte | Musician | 1988 | 1 | |
| Kværne, Elisabeth | Elisabeth Kværne | Musician | 1988 | 1 | |
| Kastner, Gabriele | Gabriele Kastner | Actor | 1988 | 1 | |
| Kversøy, Beate P. | Beate P. Kversøy | Actor | 1988 | 1 | |
| Kizaki, Yuji | Yuji Kizaki | Adaptation, Director | 1988 | 2 | |
| Kuriki, Hideaki | Hideaki Kuriki | Adaptation | 1988 | 1 | |
| Kähling, Gerhard | Gerhard Kähling | Actor | 1988 | 1 | |
| Kökényessy, Ági | Ági Kökényessy | Actor | 1988 | 1 | |
| Kaszás, Attila | Attila Kaszás | Actor | 1988 | 1 | |
| Kéry, Gyula | Gyula Kéry | Actor | 1988 | 1 | |
| Kárpáti, Péter R. | Péter R. Kárpáti | Actor | 1988 | 1 | |
| Kokkin, Janne | Janne Kokkin | Actor | 1987 - 2017 | 11 | 1 |
| Kusenberg, Klaus | Klaus Kusenberg | Director | 1987 - 2011 | 5 | |
| Klein, Karin | Karin Klein | Actor | 1987 - 2007 | 4 | |
| Kaschke, Ludwig | Ludwig Kaschke | Actor, Director | 1987 - 2004 | 14 | |
| Kinnunen, Heikki | Heikki Kinnunen | Actor | 1987 - 2002 | 2 | 2 |
| Knecht, Günter | Günter Knecht | Actor | 1987 - 1999 | 2 | |
| Kaftan, Bernd | Bernd Kaftan | Actor | 1987 - 1996 | 2 | |
| Kjeldsberg, Johan B. | Johan B. Kjeldsberg | Actor | 1987 - 1995 | 18 | |
| Kirsten, Astrid | Astrid Kirsten | Costume Designer | 1987 - 1991 | 3 | |
| Krämer, Oliver | Oliver Krämer | Actor, Composer | 1987 - 1991 | 4 | |
| Kenderish, José | José Kenderish | Designer | 1987 | 1 | |
| Kleger, Dylan | Dylan Kleger | Actor | 1987 | 1 | |
| Kohli, Lukas | Lukas Kohli | Actor | 1987 | 1 | |
| Krenn, Ernst | Ernst Krenn | Actor | 1987 | 1 | |
| Kürten, Dieter | Dieter Kürten | Actor | 1987 | 1 | |
| Kryzwinski, Bjørn | Bjørn Kryzwinski | Costume Designer, Designer | 1987 | 2 | |
| Kochan, Felix | Felix Kochan | Actor | 1987 | 1 | |
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