| Kučerovski, V. | V. Kučerovski | Actor | 1978 | 1 | |
| Krylov, P. | P. Krylov | Actor | 1978 | 1 | |
| Krasnicki, E. | E. Krasnicki | Actor | 1978 | 1 | |
| Kuter, Kay E. | Kay E. Kuter | Actor | 1978 | 1 | |
| Kent, Jonathan | Jonathan Kent | Actor, Director | 1977 - 2019 | 9 | 1 |
| Kirchner, Alfred | Alfred Kirchner | Designer, Director | 1977 - 2013 | 7 | 1 |
| Kreidl, Heinz | Heinz Kreidl | Director | 1977 - 2003 | 6 | 1 |
| Karra, Matina | Matina Karra | Actor | 1977 - 1995 | 5 | |
| Kohnle, Hans | Hans Kohnle | Actor | 1977 - 1992 | 2 | |
| Krogh, Line | Line Krogh | Director | 1977 - 1988 | 3 | |
| Konuschlieva, Rajna | Rajna Konuschlieva | Translator | 1977 - 1983 | 3 | |
| Krone, Michael | Michael Krone | Actor | 1977 - 1981 | 4 | |
| Kyrou, Giannis | Giannis Kyrou | Costume Designer, Designer | 1977 - 1979 | 3 | |
| Koltai, Ralph | Ralph Koltai | Costume Designer, Designer | 1977 - 1979 | 5 | 1 |
| Kovanko, Lilga | Lilga Kovanko | Actor | 1977 - 1978 | 2 | 1 |
| Kaneko, Hiroshi | Hiroshi Kaneko | Adaptation, Director | 1977 | 2 | |
| Krause, Jan | Jan Krause | Actor | 1977 | 1 | |
| Krause, Marleen | Marleen Krause | Actor | 1977 | 1 | |
| Karolak, Andrzej | Andrzej Karolak | Actor | 1977 | 1 | |
| Kolb, Yvette | Yvette Kolb | Actor | 1977 | 1 | |
| Kavenaugh, Dorrie | Dorrie Kavenaugh | Actor | 1977 | 1 | |
| Krause, Elisabeth | Elisabeth Krause | Actor | 1977 | 1 | 1 |
| Kenrick, Margot | Margot Kenrick | Actor | 1977 | 1 | |
| Kazantzidis, Christoforos | Christoforos Kazantzidis | Actor | 1977 | 1 | |
| Kiley, Richard | Richard Kiley | Actor | 1977 | 2 | |
| Kılıç, Nesrin | Nesrin Kılıç (Nesrin Kilic) | Actor | 1977 | 1 | |
| Koç, Tomris Oğuzalp | Tomris Oğuzalp Koç | Actor | 1977 | 1 | |
| Kochanovsky, Zafrir | Zafrir Kochanovsky | Actor | 1977 | 1 | |
| Kean, Marie | Marie Kean | Actor | 1977 | 1 | |
| Kain, Christine | Christine Kain | Actor | 1977 | 5 | |
| Kerky, Dietrich | Dietrich Kerky | Actor | 1977 | 5 | |
| Kopf, Berthold | Berthold Kopf | Actor | 1977 | 1 | |
| Klimkiewicz, Barbara | Barbara Klimkiewicz | Actor | 1977 | 1 | |
| Komorowska, Maja | Maja Komorowska | Actor | 1977 | 1 | |
| Kłosiński, Janusz | Janusz Kłosiński | Actor | 1977 | 1 | |
| Korf, Kerry, Lee | Kerry Lee Korf | Actor | 1977 | 1 | |
| Kunz, Hildegard | Hildegard Kunz | Actor | 1977 | 1 | |
| Keating, Kevin, Sean | Kevin Sean Keating | Lighting Designer | 1977 | 1 | |
| Kneeland, Richard | Richard Kneeland | Actor | 1977 | 1 | |
| Kropp, Joachim | Joachim Kropp | Dramaturg | 1977 | 1 | |
| Kessler, Beatrice | Beatrice Kessler | Actor | 1977 | 1 | |
| Kiønig, Carl Jørgen | Carl Jørgen Kiønig | Adaptation, Composer, Director, Musician | 1976 - 2010 | 12 | 1 |
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