| Koch, Inge | Inge Koch | Actor, Costume Designer | 1975 - 1990 | 5 | |
| Kornbeck, Eyvind | Eyvind Kornbeck | Actor | 1905 - 1915 | 5 | |
| Koukoulommatis, Michalis | Michalis Koukoulommatis | Actor | 1993 - 2007 | 5 | |
| Kuhlmann, Elisabeth | Elisabeth Kuhlmann | Actor | 1909 - 1960 | 5 | |
| Kulas, Leo | Leo Kulas | Costume Designer | 1991 - 2025 | 5 | |
| Kuznecova, Tat'jana | Tat'jana Kuznecova | Actor | 2005 - 2008 | 5 | 1 |
| Krauß, Mrs. | Mrs. Krauß | Actor | 1898 - 1902 | 5 | |
| Knutsen, - | - Knutsen | Actor | 1861 - 1866 | 5 | |
| Krastel, Friedrich | Friedrich Krastel | Actor | 1876 - 1893 | 5 | |
| Klein, Adolf | Adolf Klein | Actor | 1889 - 1900 | 5 | 1 |
| Korecki, Kazimierz | Kazimierz Korecki | Actor, Director | 1891 - 1928 | 5 | |
| Krause, Milly | Milly Krause | Actor | 1895 | 5 | |
| Küsmann, Lina | Lina Küsmann | Actor | 1895 | 5 | |
| Kammerer, Heinrich | Heinrich Kammerer | Actor | 1898 | 5 | |
| Kučera, Karel | Karel Kučera | Translator | 1899 - 1940 | 5 | 1 |
| Kupfer, Grete | Grete Kupfer | Actor | 1901 | 5 | |
| Kallenberger, Gustav | Gustav Kallenberger | Actor | 1903 - 1926 | 5 | |
| Kaiser, Oscar | Oscar Kaiser | Actor | 1891 - 1904 | 5 | |
| Kühne, Alfred | Alfred Kühne | Actor | 1906 - 1913 | 5 | |
| Kliewer, Carl | Carl Kliewer | Actor | 1908 - 1950 | 5 | |
| Klihm, Gertrud | Gertrud Klihm | Costume Designer | 1910 - 1913 | 5 | |
| Klein-Rohden, Rudolf | Rudolf Klein-Rohden | Actor | 1898 - 1914 | 5 | |
| Krause, Charlotte | Charlotte Krause | Actor | 1914 - 1928 | 5 | 1 |
| Keßler, Hugo | Hugo Keßler | Actor | 1915 - 1931 | 5 | |
| Kanitz, Gertrud | Gertrud Kanitz | Actor | 1925 - 1928 | 5 | 1 |
| Koch-Bauer, Johanna | Johanna Koch-Bauer | Actor | 1927 - 1934 | 5 | |
| Kusterer, Karl | Karl Kusterer | Actor | 1908 - 1932 | 5 | 1 |
| Knott, Else | Else Knott | Actor | 1931 - 1961 | 5 | |
| Kraut, Werner Maria | Werner Maria Kraut | Actor, Director | 1931 - 1950 | 5 | |
| Koševerova, M. | M. Koševerova | Actor | 1900 - 1924 | 5 | |
| Koreneva, L. | L. Koreneva | Actor | 1900 - 1924 | 5 | |
| Koonen, A. | A. Koonen | Actor | 1900 - 1924 | 5 | |
| Kwiatkiewiczowa, Eugenia | Eugenia Kwiatkiewiczowa | Actor | 1901 - 1914 | 5 | |
| Kosterka, Hugo | Hugo Kosterka | Translator | 1903 - 1947 | 5 | 1 |
| Kafka, Rudolf | Rudolf Kafka | Actor | 1904 - 1912 | 5 | |
| Kotopouli, Marika | Marika Kotopouli | Actor | 1906 - 1945 | 5 | |
| Kirchner, Franz | Franz Kirchner | Actor | 1906 - 1907 | 5 | |
| Karpáti, Sándor | Sándor Karpáti | Actor | 1906 - 1908 | 5 | |
| Kolár, Karel | Karel Kolár | Actor | 1910 - 1941 | 5 | |
| Kułakowski, Zygmunt | Zygmunt Kułakowski | Actor | 1910 - 1913 | 5 | |
| Knudsen, Roy | Roy Knudsen | Sound Designer | 1990 - 2001 | 5 | |
| Keyser, Dorthe Mowinckel | Dorthe Mowinckel Keyser | Actor, Costume Designer | 1985 - 1993 | 5 | |
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