| Kuhn, Bettina | Bettina Kuhn | Actor | 1981 | 6 | |
| Krzywinski, Bjørn | Bjørn Krzywinski | Designer | 1981 | 1 | 1 |
| Kluga, Raymond M. | Raymond M. Kluga | Costume Designer | 1981 | 1 | |
| Kersten, Angelika | Angelika Kersten | Actor | 1981 | 1 | |
| King, Lawrence | Lawrence King | Designer | 1981 | 1 | 1 |
| Ketelsen, Hans-Joachim | Hans-Joachim Ketelsen | Actor | 1981 | 1 | |
| Kraft, Werner | Werner Kraft | Actor | 1981 | 1 | |
| Klotsche, Martina | Martina Klotsche | Actor | 1981 | 1 | |
| Knoche, Eva-Susanne | Eva-Susanne Knoche | Actor | 1981 | 2 | |
| Kaalø, Sten | Sten Kaalø | Translator | 1981 | 1 | 1 |
| Kenter, Tommy | Tommy Kenter | Actor | 1981 | 1 | |
| Khetib, Miloud | Miloud Khetib | Actor | 1981 | 10 | |
| Kraa, Kristian | Kristian Kraa | Costume Designer | 1981 | 1 | |
| Komulainen, Lauri | Lauri Komulainen | Actor | 1981 | 6 | |
| Kovaleff, Jyrki | Jyrki Kovaleff | Actor | 1981 | 3 | |
| Korppi-Tommola, Riikka | Riikka Korppi-Tommola | Actor | 1981 | 1 | |
| Kangas, Väinö | Väinö Kangas | Actor | 1981 | 1 | |
| Kekäläinen, Jukka | Jukka Kekäläinen | Actor | 1981 | 1 | |
| Klingler, Janet | Janet Klingler | Actor | 1981 | 1 | |
| Kennedy, Terry | Terry Kennedy | Actor | 1981 | 1 | |
| Koteva, Marina | Marina Koteva | Actor | 1981 | 1 | |
| Königshoven, Stefan | Stefan Königshoven | Actor | 1981 | 2 | |
| Kilroy, Colette | Colette Kilroy | Actor | 1981 | 1 | |
| Kavvadas, Nikos | Nikos Kavvadas | Actor | 1981 | 10 | |
| Kırımoğlu, Şükrü | Şükrü Kırımoğlu (Sukru Kirimoglu) | Lighting Designer | 1981 | 1 | |
| Kabaoğlu, Şebnem | Şebnem Kabaoğlu | Actor | 1981 | 1 | |
| Knode, Charles | Charles Knode | Costume Designer | 1981 | 1 | |
| König, Klaus-Dieter | Klaus-Dieter König | Actor | 1980 - 2002 | 3 | |
| Kotrbová, Jorga | Jorga Kotrbová | Actor | 1980 - 2000 | 2 | |
| Klainer, Sergio | Sergio Klainer | Actor | 1980 - 1994 | 2 | |
| Kornelatou, Georgia | Georgia Kornelatou | Actor | 1980 - 1981 | 3 | |
| Kajander, Marjatta | Marjatta Kajander | Actor | 1980 | 1 | |
| Kemppi, Raiku | Raiku Kemppi | Director | 1980 | 1 | |
| Kurtén, Martin | Martin Kurtén | Actor | 1980 | 1 | |
| Kankainen, Timo | Timo Kankainen | Actor | 1980 | 1 | |
| Knight, Margot | Margot Knight | Actor | 1980 | 1 | |
| Kyd, Susan | Susan Kyd | Actor | 1980 | 1 | |
| Kangas, Kaija | Kaija Kangas | Actor | 1980 | 1 | |
| Kujanpää, Ari | Ari Kujanpää | Actor | 1980 | 1 | |
| Korhonen, Kaisa | Kaisa Korhonen | Director | 1980 | 1 | 1 |
| Koskinen, Juhani | Juhani Koskinen | Translator | 1980 | 1 | |
| Kanzaki, Ai | Ai Kanzaki | Actor | 1980 | 1 | |
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