| 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 | |
| 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 | |
| Kner, Hermann, | Hermann Kner | Actor | 1917 - 1921 | 2 | |
| Kohler, Anna, | Anna Kohler | Actor | 1918 - 1921 | 2 | |
| Kremer, Tilly, | Tilly Kremer | Actor | 1922 | 2 | |
| Keller-Nebri, Kurt, | Kurt Keller-Nebri | Actor | 1911 - 1922 | 2 | |
| Krall, Marie, | Marie Krall | Actor | 1923 - 1925 | 2 | |
| Kalischer, Margarethe, | Margarethe Kalischer | Actor | 1919 - 1923 | 2 | |
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