| Keller, Frl. | Frl. Keller | Actor | 1878 | 1 | |
| Koltschakova, Magda | Magda Koltschakova | Actor | 1971 | 1 | |
| Kostadinov, Kalin | Kalin Kostadinov | Actor | 2015 - 2016 | 2 | |
| Krijn, Sari | Sari Krijn | Actor | 1971 | 1 | |
| Kicsid, Gizella | Gizella Kicsid | Actor | 2017 - 2019 | 9 | |
| Kennedy, Gary | Gary Kennedy | Actor | 1971 | 1 | |
| Kernan, Alvin | Alvin Kernan | Actor | 1971 | 1 | |
| Kessler, Evelyn | Evelyn Kessler | Actor | 1971 | 1 | |
| Koepke, Ewald | Ewald Koepke | Actor | 1971 | 1 | |
| Karatzas, Nikos | Nikos Karatzas | Actor | 1971 | 1 | |
| Klaus, Hans | Hans Klaus | Actor | 1971 | 1 | 1 |
| Kafkaridis, Vladimiros | Vladimiros Kafkaridis | Actor | 1973 | 7 | |
| Kay, Madge | Madge Kay | Actor | 1909 | 1 | |
| Klisch, Gerhard | Gerhard Klisch | Actor | 1973 | 1 | |
| Kanic, Marko, Iversen | Marko Iversen Kanic | Actor | 2017 - 2018 | 2 | |
| Keen, Will | Will Keen | Actor | 2013 | 1 | 1 |
| Kelly, Reade | Reade Kelly | Actor | 2017 | 1 | |
| Kemp, Kevin | Kevin Kemp | Actor | 2017 | 1 | |
| Kettunen, Arne | Arne Kettunen | Actor | 1976 - 1978 | 2 | |
| Knudtzon, Kristin, Thesen | Kristin Thesen Knudtzon | Actor | 1976 | 1 | |
| Koppel, Einari | Einari Koppel | Actor | 1976 | 1 | |
| Kettner, Gisela | Gisela Kettner | Actor | 1976 | 2 | |
| Knorr, Marianne | Marianne Knorr | Actor | 1976 | 1 | |
| Köksal, Yusuf | Yusuf Köksal (Yusuf Koksal) | Actor | 2012 | 1 | |
| Klein, Manuel | Manuel Klein | Actor | 2015 - 2017 | 28 | |
| Kurtoğlu, Haluk | Haluk Kurtoğlu | Actor | 1956 | 1 | |
| Kind, Richard | Richard Kind | Actor | 2014 | 1 | |
| Krabbe, Barbara | Barbara Krabbe | Actor | 1976 | 1 | |
| Kold, Laura | Laura Kold | Actor | 2014 | 1 | |
| Keene, James | James Keene | Actor | 2017 | 1 | |
| Karaca, Ali | Ali Karaca | Actor | 2017 | 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 | |
| Kneeland, Richard | Richard Kneeland | Actor | 1977 | 1 | |
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