| Knüpffer, Paula | Paula Knüpffer | Actor | 1925 - 1927 | 2 | |
| Klippel, Fritz | Fritz Klippel | Actor | 1925 - 1934 | 2 | |
| Kaufmann, Tessy | Tessy Kaufmann | Actor | 1926 | 2 | |
| Kempter, Berta | Berta Kempter | Actor | 1926 | 2 | |
| Kempert, Otto | Otto Kempert | Actor | 1926 | 2 | |
| Kirschbaum, Lissy | Lissy Kirschbaum | Actor | 1926 | 2 | |
| Klebert jr., Karl | Karl Klebert jr. | Actor | 1926 | 2 | |
| Kersebaum, Rose | Rose Kersebaum | Actor | 1926 | 2 | |
| Kopp, Mila | Mila Kopp | Actor | 1928 - 1956 | 2 | 1 |
| Kaiser, Friedrich Wilhelm | Friedrich Wilhelm Kaiser | Actor | 1928 | 2 | 1 |
| Köblitz, Fritz | Fritz Köblitz | Actor | 1928 - 1929 | 2 | |
| Krohn, Max | Max Krohn | Composer | 1929 - 1935 | 2 | |
| Kraus, Hilde Maria | Hilde Maria Kraus | Actor | 1930 - 1932 | 2 | |
| 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 | |
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