| Kühne, Albert | Albert Kühne | Actor | 1898 - 1899 | 2 | |
| Kiefer, Heinrich | Heinrich Kiefer | Actor | 1900 - 1901 | 2 | |
| Kiedaisch, Fritz | Fritz Kiedaisch | Actor | 1903 | 2 | |
| Krachler, Rosa | Rosa Krachler | Actor | 1903 | 2 | |
| Kaiser, Frk. | Frk. Kaiser | Actor | 1906 - 1908 | 2 | |
| Koch, Walter | Walter Koch | Actor, Conductor | 1905 - 1925 | 2 | |
| Kautsky, Ferdinand | Ferdinand Kautsky | Actor | 1905 - 1913 | 2 | |
| Kempter, - | - Kempter | Actor | 1905 - 1906 | 2 | |
| Kolbe, - | - Kolbe | Actor | 1906 - 1916 | 2 | |
| Kwast, Marianne | Marianne Kwast | Actor | 1907 | 2 | |
| Kroneck, Hans | Hans Kroneck | Actor | 1906 - 1908 | 2 | |
| Kögel, Josef | Josef Kögel | Actor | 1909 | 2 | |
| Kny, Johanna | Johanna Kny | Actor | 1909 - 1911 | 2 | |
| Kruse, Willy | Willy Kruse | Actor | 1911 - 1925 | 2 | |
| Krampff, Ernst | Ernst Krampff | Actor | 1905 - 1911 | 2 | |
| Körner-Hofmann, Elisabeth | Elisabeth Körner-Hofmann | Actor | 1911 - 1912 | 2 | |
| Kramer, Ernst | Ernst Kramer | Actor | 1913 - 1914 | 2 | |
| Kiefer, Frieda | Frieda Kiefer | Actor | 1913 - 1914 | 2 | |
| Kalbeck, Paul | Paul Kalbeck | Actor, Director | 1913 - 1946 | 2 | |
| Köllner, Herbert | Herbert Köllner | Actor | 1914 - 1960 | 2 | |
| Koßwig, Curt | Curt Koßwig | Actor | 1914 | 2 | |
| Koch, Maria | Maria Koch | Actor | 1913 - 1914 | 2 | |
| Kahle, Elisabeth | Elisabeth Kahle | Actor | 1915 | 2 | |
| Kirchberger, Leo | Leo Kirchberger | Actor | 1915 - 1918 | 2 | |
| Korb, Ludwig | Ludwig Korb | Actor | 1915 - 1917 | 2 | |
| Klossowski, Erich | Erich Klossowski | Costume Designer, Designer | 1915 | 2 | |
| Kaiser-Titz, Erich | Erich Kaiser-Titz | Actor | 1915 | 2 | |
| Kirschner, - | - Kirschner | Costume Designer | 1916 | 2 | |
| Koehler, Albert | Albert Koehler | Actor, Director | 1916 | 2 | |
| Knapp, Cornelia | Cornelia Knapp | Actor | 1916 - 1917 | 2 | |
| Koch, Betty | Betty Koch | Actor | 1917 - 1921 | 2 | |
| Kroll, Felix | Felix Kroll | Actor | 1918 | 2 | |
| Krämer, Albert | Albert Krämer | Actor | 1918 - 1923 | 2 | |
| Krahn, Maria | Maria Krahn | Actor | 1918 - 1935 | 2 | 1 |
| Kock, Katharina | Katharina Kock | Actor | 1918 - 1919 | 2 | |
| Kurz, Werner | Werner Kurz | Actor | 1918 | 2 | |
| Kolb, Hertha | Hertha Kolb | Actor | 1921 - 1922 | 2 | |
| Kulisch, Walter | Walter Kulisch | Actor | 1913 - 1919 | 2 | |
| Krüger, Otto | Otto Krüger | Actor | 1919 - 1925 | 2 | |
| Krieger, Gustav | Gustav Krieger | Actor | 1919 - 1925 | 2 | |
| Klühe, Erich | Erich Klühe | Actor | 1919 - 1920 | 2 | |
| Körner, Emma | Emma Körner | Actor | 1920 - 1924 | 2 | |
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