| Künkler, Karl | Karl Künkler | Actor | 1931 | 2 | |
| Krumschmidt, Eberhard | Eberhard Krumschmidt | Actor, Director | 1931 | 2 | |
| Klingenberg, Heinz | Heinz Klingenberg | Actor | 1931 - 1937 | 2 | |
| Kaiser, Grete | Grete Kaiser | Actor | 1932 | 2 | |
| Knaack, Karl | Karl Knaack | Actor | 1932 | 2 | |
| Kleinschmidt, Lotte | Lotte Kleinschmidt | Actor | 1932 - 1956 | 2 | |
| Kerting, Anneliese | Anneliese Kerting | Actor | 1932 | 2 | |
| Kesting, Karl | Karl Kesting | Actor | 1933 | 2 | |
| Kroll, Herbert | Herbert Kroll | Actor | 1933 - 1938 | 2 | |
| Klippel, Friedrich | Friedrich Klippel | Actor | 1933 - 1934 | 2 | |
| Knabe, Herbert | Herbert Knabe | Actor | 1935 - 1936 | 2 | |
| Koch, Lotte | Lotte Koch | Actor | 1936 - 1937 | 2 | |
| Kuhr, Paul | Paul Kuhr | Actor | 1936 | 2 | |
| Körbs, Herbert | Herbert Körbs | Actor, Director | 1936 - 1938 | 2 | |
| Karsten, Nico | Nico Karsten | Actor | 1937 - 1938 | 2 | |
| Koller, Else | Else Koller | Actor | 1937 - 1938 | 2 | |
| Krüger, Margarethe | Margarethe Krüger | Actor | 1938 | 2 | |
| Kalvius, Rudolf | Rudolf Kalvius | Actor | 1939 | 2 | |
| Kupfer, Ellen | Ellen Kupfer | Actor | 1941 - 1955 | 2 | |
| Kammil, Norbert | Norbert Kammil | Actor | 1941 - 1964 | 2 | |
| Kohlund, Erwin | Erwin Kohlund | Actor | 1946 - 1955 | 2 | |
| Kurt, Fred | Fred Kurt | Actor | 1947 - 1949 | 2 | |
| Kohls, Walter | Walter Kohls | Actor | 1950 - 1961 | 2 | |
| Koumarioti, Eleni | Eleni Koumarioti | Actor | 1903 | 2 | |
| Kassabov, Dotscho | Dotscho Kassabov | Actor | 1903 - 1915 | 2 | |
| Kosiński, Feliks | Feliks Kosiński | Actor | 1903 | 2 | |
| Kliszewski, Antoni | Antoni Kliszewski | Actor | 1903 - 1906 | 2 | |
| Kalff, Marie | Marie Kalff | Actor | 1904 - 1928 | 2 | |
| Korczak-Wesołowski, Zygmunt | Zygmunt Korczak-Wesołowski | Actor | 1904 - 1905 | 2 | |
| Kotljarevski, Stefan Mladenov | Stefan Mladenov Kotljarevski | Translator | 1904 - 1905 | 2 | 1 |
| Kolthoff, Signe | Signe Kolthoff | Actor | 1905 | 2 | |
| Krössing, Adolf | Adolf Krössing | Actor, Director | 1905 | 2 | |
| Kotopouli-Loui, Foteini | Foteini Kotopouli-Loui | Actor | 1906 - 1907 | 2 | |
| Kouris, Nikolaos | Nikolaos Kouris | Actor | 1906 | 2 | |
| Kempner, Gabriel | Gabriel Kempner | Translator | 1906 - 1918 | 2 | |
| Korčagina, E. P. | E. P. Korčagina | Actor | 1903 - 1906 | 2 | |
| Kruckenberg, Ivan | Ivan Kruckenberg | Actor | 1907 - 1908 | 2 | |
| Kaupiņa, Anna | Anna Kaupiņa | Actor | 1908 - 1909 | 2 | |
| Kelemen, Mária | Mária Kelemen | Actor | 1908 - 1931 | 2 | |
| Kamińska, Jadwiga | Jadwiga Kamińska | Actor | 1908 - 1910 | 2 | |
| Keenan, Reta E. | Reta E. Keenan | Actor | 1909 | 2 | 1 |
| Keeman, W.M. | W. M. Keeman (W.M. Keeman) | Actor | 1909 | 2 | |
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