| Kaiser, Lola, | Lola Kaiser | Actor | 1915 | 1 | |
| Korb, Ludwig, | Ludwig Korb | Actor | 1915 - 1917 | 2 | |
| Keßler, Eva, | Eva Keßler | Actor | 1915 | 1 | |
| Kaiser-Titz, Erich, | Erich Kaiser-Titz | Actor | 1915 | 2 | |
| Kabisch, Adalbert, | Adalbert Kabisch | Actor | 1915 | 1 | |
| Koch, Karl, | Karl Koch | Actor | 1915 | 1 | |
| Klotz, Adolf, | Adolf Klotz | Actor | 1916 | 1 | |
| Kleinert, Robert, | Robert Kleinert | Actor | 1916 - 1937 | 7 | |
| Kraus, Rudolf, | Rudolf Kraus | Actor | 1916 | 1 | |
| Krauß, Werner, | Werner Krauß | Actor | 1913 - 1950 | 16 | |
| Knapp, Cornelia, | Cornelia Knapp | Actor | 1916 - 1917 | 2 | |
| Kühne, Felix, | Felix Kühne | Actor | 1917 | 1 | |
| Koch, Betty, | Betty Koch | Actor | 1917 - 1921 | 2 | |
| Klein, Pia, | Pia Klein | Actor | 1917 | 1 | |
| Kočonda, Ljerka, | Ljerka Kočonda | Actor | 1917 | 1 | |
| Kroll, Felix, | Felix Kroll | Actor | 1918 | 2 | |
| Krämer, Albert, | Albert Krämer | Actor | 1918 - 1923 | 2 | |
| Krahn, Maria, | Maria Krahn | Actor | 1918 - 1935 | 2 | |
| Krulle, Charlotte, | Charlotte Krulle | Actor | 1918 | 3 | |
| Knörer, Willi, | Willi Knörer | Actor | 1918 | 1 | |
| Kock, Katharina, | Katharina Kock | Actor | 1918 - 1919 | 2 | |
| Kurz, Werner, | Werner Kurz | Actor | 1918 | 2 | |
| Koch, Hilde, | Hilde Koch | Actor | 1919 | 1 | |
| Köhler, Käthe, | Käthe Köhler | Actor | 1921 | 1 | |
| Kasten, Thea, | Thea Kasten | Actor | 1919 - 1931 | 3 | |
| Kolb, Hertha, | Hertha Kolb | Actor | 1921 - 1922 | 2 | |
| Kulisch, Walter, | Walter Kulisch | Actor | 1913 - 1919 | 2 | |
| Kaulhausen, Mira, | Mira Kaulhausen | Actor | 1919 | 1 | |
| Kupfer, Marianne, | Marianne Kupfer | Actor | 1919 | 1 | |
| Korolanyi, Irene, | Irene Korolanyi | Actor | 1919 | 1 | |
| Krüger, Otto, | Otto Krüger | Actor | 1919 - 1925 | 2 | |
| Krieger, Gustav, | Gustav Krieger | Actor | 1919 - 1925 | 2 | |
| Karsten, Marthe, | Marthe Karsten | Actor | 1919 | 1 | |
| Klühe, Erich, | Erich Klühe | Actor | 1919 - 1920 | 2 | |
| Krauß, Doris, | Doris Krauß | Actor | 1920 | 1 | |
| Körner, Emma, | Emma Körner | Actor | 1920 - 1924 | 2 | |
| Körber, M., | M. Körber | Actor | 1920 | 1 | |
| Kramer, Arpad, | Arpad Kramer | Actor | 1920 | 1 | |
| Kelling, Walter, | Walter Kelling | Actor | 1920 | 1 | |
| Kersten, Anni, | Anni Kersten | Actor | 1920 - 1932 | 4 | |
| Köppke, Margarethe, | Margarethe Köppke | Actor | 1920 - 1923 | 3 | |
| Kardan, Alexander, | Alexander Kardan | Actor | 1920 | 1 | |
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