| Krejčová, Zuzana | Zuzana Krejčová | Actor | 1985 | 1 | |
| Khain, Jindřich | Jindřich Khain | Actor | 1985 | 1 | |
| Kiernan, Paul | Paul Kiernan | Actor | 1986 | 1 | |
| Koci, Josef | Josef Koci | Actor | 1982 - 1987 | 2 | |
| Konrádová, L'ubica | L'ubica Konrádová | Actor | 1987 | 1 | |
| Kališ, Miloň | Miloň Kališ | Designer | 1986 | 1 | |
| Konrád, Ondřej | Ondřej Konrád | Composer | 1986 | 1 | |
| Karier, Steve | Steve Karier | Actor | 1987 | 1 | |
| Kasimir, Helmut | Helmut Kasimir | Actor | 1986 - 1987 | 11 | |
| Katsaris, Antonis | Antonis Katsaris | Actor | 1986 | 1 | |
| Kourkoumelis, Giannis | Giannis Kourkoumelis | Actor | 1986 | 1 | |
| Krines, Rosemarie | Rosemarie Krines | Designer | 1987 | 1 | |
| Krebs, Kitter | Kitter Krebs | Adaptation | 1986 | 1 | |
| Križaj, Franci | Franci Križaj | Director | 1970 - 1986 | 2 | |
| Kravos, Marjan | Marjan Kravos | Designer | 1986 | 1 | |
| Keys, Dale | Dale Keys | Actor | 2014 | 1 | |
| Kalousová, Nataša | Nataša Kalousová | Actor | 1986 | 1 | |
| Krátký, Vladimír | Vladimír Krátký | Actor | 1986 - 2006 | 5 | |
| Krátký, Rudolf | Rudolf Krátký | Actor | 1943 - 1986 | 4 | |
| Koch, Franziska | Franziska Koch | Actor | 1906 - 1907 | 3 | |
| Kessler, Herrmann | Herrmann Kessler | Actor, Adaptation, Designer, Director | 1986 | 4 | |
| Kilchherr, Adi | Adi Kilchherr | Actor | 1986 | 1 | |
| Kessler, Pauline | Pauline Kessler | Designer | 1986 | 1 | |
| Kox, Ronald | Ronald Kox | Lighting Designer | 1987 | 1 | |
| Kolo, S. | S. Kolo | Actor | 1984 | 1 | |
| Kjenes, Ann Kristin | Ann Kristin Kjenes | Actor | 1986 | 1 | |
| Krabbe, Till | Till Krabbe | Actor | 1987 | 1 | |
| Kusenberg, Klaus | Klaus Kusenberg | Director | 1987 - 2011 | 5 | |
| Kipp, Heide | Heide Kipp | Actor | 1984 | 1 | |
| Kamp, Marion, van de | Marion van de Kamp | Actor | 1984 | 1 | |
| Kielberg, Birgitte | Birgitte Kielberg | Actor | 1987 | 1 | |
| Kjaer, Ir | Ir Kjaer | Costume Designer | 1987 | 1 | |
| Kidd, Stephen | Stephen Kidd | Actor | 1987 | 2 | |
| Karm, Benny | Benny Karm | Designer | 1986 - 1987 | 3 | |
| Karm, Ingela | Ingela Karm | Designer | 1986 - 1987 | 3 | |
| Körner, Roland | Roland Körner | Actor, Adaptation, Designer | 1987 | 3 | |
| Kenny, Colin | Colin Kenny | Actor | 1987 | 1 | |
| Kershaw, Bryce | Bryce Kershaw | Designer | 1987 | 1 | |
| Kaftan, Bernd | Bernd Kaftan | Actor | 1987 - 1996 | 2 | |
| Kölgen, Ulrike | Ulrike Kölgen | Actor | 1987 | 1 | |
| Killingdalen, Lina | Lina Killingdalen | Dramaturg | 2014 | 1 | |
| Kosmalla, Jessica | Jessica Kosmalla | Actor | 1984 | 1 | |
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