| Kordziński, Roman | Roman Kordziński | Director | 1968 - 1971 | 3 | |
| Kütemeyer, Günter | Günter Kütemeyer | Actor | 1968 - 1971 | 2 | |
| König, Michael | Michael König | Actor | 1968 - 1973 | 3 | |
| Koch, Uwe-Karsten | Uwe-Karsten Koch | Actor | 1968 - 1974 | 3 | |
| Koch, Randi | Randi Koch (Randi Koch) | Actor | 1968 - 1990 | 3 | |
| Kitzesch, Jenny | Jenny Kitzesch | Actor | 1968 - 1991 | 3 | |
| Kindelan, Nancy | Nancy Kindelan (Nancy Kindelan) | Actor, Director | 1968 - 2001 | 3 | |
| Kraubs, Karl | Karl Kraubs (Karl Kraubs) | Mask Maker | 1969 | 1 | |
| Kubik, Boris | Boris Kubik (Boris Kubik) | Designer | 1969 | 1 | |
| Kročil, Miloš | Miloš Kročil | Actor | 1969 | 1 | |
| Kennedy, James | James Kennedy | Actor | 1969 | 1 | |
| Korompai, Vali | Vali Korompai | Actor | 1969 | 1 | |
| Kornilof, Natasha | Natasha Kornilof | Costume Designer | 1969 | 1 | |
| Krasnodębska, Ewa | Ewa Krasnodębska | Actor | 1969 | 2 | |
| Kolovratová, Zora | Zora Kolovratová | Actor | 1969 | 1 | |
| Kalina, Ivan | Ivan Kalina | Actor | 1969 | 1 | |
| Karikó, Teréz | Teréz Karikó | Actor | 1969 | 1 | |
| Kovács, Katalin | Katalin Kovács | Dancer | 1969 | 1 | |
| Kollakowsky, Norbert | Norbert Kollakowsky | Actor | 1969 | 1 | |
| Kappeler, Susanne | Susanne Kappeler | Actor | 1969 | 1 | |
| Keach, Stacy | Stacy Keach | Actor | 1969 | 2 | 1 |
| Koslow, Esther | Esther Koslow | Actor | 1969 | 1 | |
| Keesler, Robert | Robert Keesler | Actor | 1969 | 1 | |
| Kwasinski, Ilena | Ilena Kwasinski | Actor | 1969 | 2 | |
| Kemrová, Olga | Olga Kemrová | Actor | 1969 | 1 | |
| Kjer, Bodil | Bodil Kjer | Actor | 1969 | 1 | |
| Kjær, Terje | Terje Kjær | Actor, Dancer | 1969 | 2 | |
| Knell, Cathy | Cathy Knell | Actor | 1969 | 2 | |
| Kantanen, Eeva | Eeva Kantanen | Actor | 1969 | 1 | |
| Kennedy, Mary | Mary Kennedy | Actor | 1969 | 1 | |
| Kirova, Elica | Elica Kirova (Елица Кирова) | Actor | 1969 | 1 | |
| Kirov, Dimitar | Dimitar Kirov (Димитар Киров) | Actor | 1969 | 1 | |
| King, Kathy | Kathy King | Actor | 1969 - 1970 | 3 | |
| Kennedy, Patricia | Patricia Kennedy | Actor | 1969 - 1971 | 2 | |
| Kubečka, Ivo | Ivo Kubečka | Actor | 1969 - 1993 | 2 | |
| Kučera, Jan | Jan Kučera | Actor | 1969 - 2000 | 4 | |
| Kunert, Pavel | Pavel Kunert | Actor | 1969 - 2000 | 2 | |
| Köhncke, Peter | Peter Köhncke (Peter Köhncke) | Actor | 1970 | 1 | |
| Krasoo, Aleksandra | Aleksandra Krasoo (Aleksandra Krasoo) | Actor | 1970 | 1 | |
| Kaljord, Kim | Kim Kaljord | Actor | 1970 | 1 | |
| Kinch, Karl | Karl Kinch | Actor | 1970 | 1 | |
| Kaufmann, Carla | Carla Kaufmann | Actor | 1970 | 2 | |
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