| Kurz, Emilie | Emilie Kurz | Actor | 1907 - 1934 | 3 | 1 |
| Keune, Gustav | Gustav Keune | Actor | 1908 - 1925 | 12 | 1 |
| Kiesau, Georg | Georg Kiesau | Actor, Director | 1914 - 1938 | 7 | 1 |
| Krause, Charlotte | Charlotte Krause | Actor | 1914 - 1928 | 5 | 1 |
| Krauß, Werner | Werner Krauß | Actor | 1913 - 1950 | 16 | 1 |
| Kohlund, Ekkehard | Ekkehard Kohlund | Actor, Designer | 1918 - 1946 | 13 | 1 |
| Krahn, Maria | Maria Krahn | Actor | 1918 - 1935 | 2 | 1 |
| Keim, Josef | Josef Keim | Actor | 1921 - 1932 | 3 | 1 |
| Kanitz, Gertrud | Gertrud Kanitz | Actor | 1925 - 1928 | 5 | 1 |
| Kramm, Charlotte | Charlotte Kramm | Actor | 1921 - 1966 | 7 | 1 |
| Kolms, Lucie | Lucie Kolms | Actor | 1926 - 1928 | 3 | 1 |
| Kayßler, Christian | Christian Kayßler | Actor | 1928 | 1 | 1 |
| Kipper, Rose | Rose Kipper | Actor | 1928 | 1 | 1 |
| Kopp, Mila | Mila Kopp | Actor | 1928 - 1956 | 2 | 1 |
| Kaiser, Friedrich Wilhelm | Friedrich Wilhelm Kaiser | Actor | 1928 | 2 | 1 |
| Kusterer, Karl | Karl Kusterer | Actor | 1908 - 1932 | 5 | 1 |
| Klafft, Hugo | Hugo Klafft | Actor, Director | 1925 - 1931 | 4 | 1 |
| Kottenkamp, Walther | Walther Kottenkamp | Actor | 1928 | 1 | 1 |
| Krähmer, Friedrich | Friedrich Krähmer | Actor | 1931 | 1 | 1 |
| Kahn, Florence | Florence Kahn | Actor | 1900 - 1936 | 8 | 1 |
| Koefod, Thorvald | Thorvald Koefod | Director | 1900 | 1 | 1 |
| Kačalov, Vasilij | Vasilij Kačalov | Actor | 1900 - 1924 | 11 | 1 |
| Knipper-Chekhova, Olga Leonardovna | Olga Leonardovna Knipper-Chekhova | Actor | 1900 - 1918 | 6 | 1 |
| Kawecka, Helena | Helena Kawecka | Translator | 1902 | 1 | 1 |
| Kline, Virginia | Virginia Kline | Actor | 1902 - 1910 | 12 | 1 |
| Kosterka, Hugo | Hugo Kosterka | Translator | 1903 - 1947 | 5 | 1 |
| Kraus, Arnošt | Arnošt Kraus | Translator | 1904 - 1941 | 11 | 1 |
| Kenman, Margaret | Margaret Kenman | Actor | 1904 | 1 | 1 |
| Kilpi, Eero | Eero Kilpi | Actor | 1904 - 1943 | 8 | 1 |
| Kotljarevski, Stefan Mladenov | Stefan Mladenov Kotljarevski | Translator | 1904 - 1905 | 2 | 1 |
| Khol, František | František Khol | Adaptation | 1905 | 1 | 1 |
| Kriajeva, V. | V. Kriajeva | Actor | 1906 | 3 | 1 |
| Karataeff, A. | A. Karataeff | Actor | 1906 | 3 | 1 |
| Kingdon, Frank | Frank Kingdon | Actor | 1906 - 1907 | 9 | 1 |
| Kent, Edgar | Edgar Kent | Actor | 1907 | 1 | 1 |
| Kürti, József | József Kürti | Actor | 1908 - 1939 | 4 | 1 |
| Knudsen, Ranka | Ranka Knudsen | Actor | 1908 - 1940 | 7 | 1 |
| Keenan, Reta E. | Reta E. Keenan | Actor | 1909 | 2 | 1 |
| Kochanowski, Stanisław | Stanisław Kochanowski | Translator | 1909 | 1 | 1 |
| Kelly, Gregory | Gregory Kelly | Actor | 1910 | 3 | 1 |
| Kasprowicz, Jan | Jan Kasprowicz | Translator | 1910 - 1925 | 8 | 1 |
| Kvalem, Finn | Finn Kvalem | Actor, Adaptation, Director | 1962 - 1986 | 80 | 1 |
|
|
