| Kovanko, Lilga | Lilga Kovanko | Actor | 1977 - 1978 | 2 | 1 |
| Kyrou, Giannis | Giannis Kyrou | Costume Designer, Designer | 1977 - 1979 | 3 | |
| Koltai, Ralph | Ralph Koltai | Costume Designer, Designer | 1977 - 1979 | 5 | 1 |
| Krone, Michael | Michael Krone | Actor | 1977 - 1981 | 4 | |
| Konuschlieva, Rajna | Rajna Konuschlieva | Translator | 1977 - 1983 | 3 | |
| Krogh, Line | Line Krogh | Director | 1977 - 1988 | 3 | |
| Kohnle, Hans | Hans Kohnle | Actor | 1977 - 1992 | 2 | |
| Karra, Matina | Matina Karra | Actor | 1977 - 1995 | 5 | |
| Kreidl, Heinz | Heinz Kreidl | Director | 1977 - 2003 | 6 | 1 |
| Kirchner, Alfred | Alfred Kirchner | Designer, Director | 1977 - 2013 | 7 | 1 |
| Kent, Jonathan | Jonathan Kent | Actor, Director | 1977 - 2019 | 9 | 1 |
| Kamiyama, Hiroshi | Hiroshi Kamiyama | Actor | 1978 | 1 | |
| Kaufmann, Petra | Petra Kaufmann | Actor | 1978 | 1 | |
| Kawakami, Natsuyo | Natsuyo Kawakami | Actor | 1978 | 2 | |
| Kijowska, Elżbieta | Elżbieta Kijowska | Actor | 1978 | 1 | |
| Kalinowski, Wojciech | Wojciech Kalinowski | Actor | 1978 | 1 | |
| Kiersznowski, Krzysztof | Krzysztof Kiersznowski | Actor | 1978 | 1 | |
| Kamińska-Nowakowska, Teresa | Teresa Kamińska-Nowakowska | Actor | 1978 | 1 | |
| Kiskiinen, Tero | Tero Kiskiinen | Designer | 1978 | 1 | |
| Kayser, Frode | Frode Kayser | Actor | 1978 | 1 | |
| Keurdorst, Derek | Derek Keurdorst | Actor | 1978 | 1 | |
| Karels, Brent | Brent Karels | Actor | 1978 | 1 | |
| Kaiser, Johannes | Johannes Kaiser | Actor | 1978 | 1 | |
| Kuderna, Peter | Peter Kuderna | Actor | 1978 | 1 | |
| Kalnarāja, Ināra | Ināra Kalnarāja | Actor | 1978 | 1 | |
| Kershaw, Annabel | Annabel Kershaw | Actor | 1978 | 1 | |
| Kokkinen, Anna-Maija | Anna-Maija Kokkinen | Actor | 1978 | 1 | |
| Kastro, Kaiti | Kaiti Kastro | Translator | 1978 | 3 | |
| Klosowski, Andreas | Andreas Klosowski | Designer | 1978 | 1 | |
| Kilden, Elaine | Elaine Kilden | Actor | 1978 | 1 | |
| Kern, Dennis | Dennis Kern | Actor | 1978 | 1 | |
| Künzler, Christoph | Christoph Künzler | Actor | 1978 | 1 | |
| Kárason, Árni | Árni Kárason | Actor | 1978 | 2 | |
| Kristjánson, Jónas | Jónas Kristjánson | Translator | 1978 | 1 | |
| Keller, Bill | Bill Keller | Actor | 1978 | 1 | |
| Kolofíková, Milica | Milica Kolofíková | Actor | 1978 | 1 | |
| Klenka, Jaroslav | Jaroslav Klenka | Actor | 1978 | 1 | |
| Kaczyński, Adam | Adam Kaczyński | Composer | 1978 | 1 | |
| Klein, Magdalena | Magdalena Klein | Director | 1978 | 1 | |
| Kotys, Ryszard | Ryszard Kotys | Actor | 1978 | 1 | |
| Klem, Ketil | Ketil Klem | Actor | 1978 | 1 | |
| Kerge, Ago-Endrik | Ago-Endrik Kerge | Director | 1978 | 1 | |
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