| Kleine, Olly | Olly Kleine | Actor | 1910 | 1 | |
| Kny, Eugen | Eugen Kny | Actor | 1911 | 3 | |
| Kruse, Willy | Willy Kruse | Actor | 1911 - 1925 | 2 | |
| Kreutel, Frk. | Frk. Kreutel | Actor | 1911 | 1 | |
| Kanée, Sophie | Sophie Kanée | Actor | 1911 | 1 | |
| Krampff, Ernst | Ernst Krampff | Actor | 1905 - 1911 | 2 | |
| Körner-Hofmann, Elisabeth | Elisabeth Körner-Hofmann | Actor | 1911 - 1912 | 2 | |
| Kintzel, Mr. | Mr. Kintzel | Actor | 1911 | 1 | |
| Karsten, Julius | Julius Karsten | Actor | 1912 - 1952 | 12 | |
| Knab, Richard | Richard Knab | Actor | 1913 - 1915 | 6 | |
| Krüger, Wilhelm | Wilhelm Krüger | Actor | 1911 - 1955 | 6 | |
| Kapalt, Cilly | Cilly Kapalt | Actor | 1911 | 1 | |
| Kronfels, Elsa | Elsa Kronfels | Actor | 1911 | 1 | |
| Kudelka, Auguste | Auguste Kudelka | Actor | 1911 | 1 | |
| Klein, Lotte | Lotte Klein | Actor | 1911 - 1953 | 4 | |
| König, Elisabeth | Elisabeth König | Actor | 1911 - 1913 | 3 | |
| Kubitz, Dora | Dora Kubitz | Actor | 1913 | 1 | |
| Kießling, Johanna | Johanna Kießling | Actor | 1912 | 1 | |
| Krüger-Michaelis, Melanie | Melanie Krüger-Michaelis | Actor | 1913 | 1 | |
| Keller, Rudolf | Rudolf Keller | Actor | 1913 | 1 | |
| Kuenzer, Adolf | Adolf Kuenzer | Actor | 1913 | 1 | |
| Kräger, August | August Kräger | Actor | 1913 | 1 | |
| Kroczak, Emil | Emil Kroczak | Actor | 1913 - 1916 | 4 | |
| Keller, Lilli | Lilli Keller | Actor | 1913 | 1 | |
| Karchow, Ernst Günther | Ernst Günther Karchow | Actor | 1913 - 1933 | 4 | |
| Kernic, Anka | Anka Kernic | Actor | 1909 - 1918 | 6 | |
| Kramer, Ernst | Ernst Kramer | Actor | 1913 - 1914 | 2 | |
| Kiefer, Frieda | Frieda Kiefer | Actor | 1913 - 1914 | 2 | |
| Knelke, Gerte | Gerte Knelke | Actor | 1913 | 1 | |
| Klein-Rohden, Rudolf | Rudolf Klein-Rohden | Actor | 1898 - 1914 | 5 | |
| Kessell, Nanny | Nanny Kessell | Actor | 1914 | 1 | |
| Keppler, Ernst | Ernst Keppler | Actor | 1919 - 1927 | 3 | |
| Kuhn, Marga | Marga Kuhn | Actor | 1914 | 1 | |
| Krause, Mila | Mila Krause | Actor | 1914 | 1 | |
| Kraus, Hans Adalbert | Hans-Adalbert Kraus (Hans Adalbert Kraus) | Actor | 1932 - 1961 | 6 | |
| Köllner, Herbert | Herbert Köllner | Actor | 1914 - 1960 | 2 | |
| Koßwig, Curt | Curt Koßwig | Actor | 1914 | 2 | |
| Krause, Charlotte | Charlotte Krause | Actor | 1914 - 1928 | 5 | 1 |
| Koch, Maria | Maria Koch | Actor | 1913 - 1914 | 2 | |
| Keßler, Hugo | Hugo Keßler | Actor | 1915 - 1931 | 5 | |
| Kaufmann, Martha | Martha Kaufmann | Actor | 1915 - 1918 | 3 | |
| Körner, Lothar | Lothar Körner | Actor | 1915 - 1925 | 26 | |
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