| Klebert jr., Karl, | Karl Klebert jr. | Actor | 1926 | 2 | |
| Kersebaum, Rose, | Rose Kersebaum | Actor | 1926 | 2 | |
| Kopp, Mila, | Mila Kopp | Actor | 1928 | 2 | |
| Kaiser, Friedrich Wilhelm, | Friedrich Wilhelm Kaiser | Actor | 1928 | 2 | |
| Kusterer, Karl, | Karl Kusterer | Actor | 1928 | 2 | |
| Köblitz, Fritz, | Fritz Köblitz | Actor | 1928 | 2 | |
| Krohn, Max, | Max Krohn | Composer | 1929 | 2 | |
| Kraus, Hilde Maria, | Hilde Maria Kraus | Actor | 1930 | 2 | |
| Künkler, Karl, | Karl Künkler | Actor | 1931 | 2 | |
| Krumschmidt, Eberhard, | Eberhard Krumschmidt | Actor, Director | 1931 | 2 | |
| Klingenberg, Heinz, | Heinz Klingenberg | Actor | 1931 - 1932 | 2 | |
| Kaiser, Grete, | Grete Kaiser | Actor | 1932 | 2 | |
| Knaack, Karl, | Karl Knaack | Actor | 1932 | 2 | |
| Kleinschmidt, Lotte, | Lotte Kleinschmidt | Actor | 1932 | 2 | |
| Kerting, Anneliese, | Anneliese Kerting | Actor | 1932 | 2 | |
| Kesting, Karl, | Karl Kesting | Actor | 1933 | 2 | |
| Kroll, Herbert, | Herbert Kroll | Actor | 1933 | 2 | |
| Klippel, Friedrich, | Friedrich Klippel | Actor | 1933 | 2 | |
| Knabe, Herbert, | Herbert Knabe | Actor | 1935 | 2 | |
| Koch, Lotte, | Lotte Koch | Actor | 1936 - 1937 | 2 | |
| Kuhr, Paul, | Paul Kuhr | Actor | 1936 | 2 | |
| Körbs, Herbert, | Herbert Körbs | Actor, Director | 1936 | 2 | |
| Klam, Walter, | Walter Klam | Actor | 1937 | 2 | |
| Karsten, Nico, | Nico Karsten | Actor | 1937 | 2 | |
| Koller, Else, | Else Koller | Actor | 1937 | 2 | |
| Krüger, Margarethe, | Margarethe Krüger | Actor | 1938 | 2 | |
| Kettler, Hans, | Hans Kettler | Actor | 1928 | 2 | |
| Kalvius, Rudolf, | Rudolf Kalvius | Actor | 1939 | 2 | |
| Kaes, Hans, | Hans Kaes | Actor | 1940 | 2 | |
| Kupfer, Ellen, | Ellen Kupfer | Actor | 1941 - 1955 | 2 | |
| Kammil, Norbert, | Norbert Kammil | Actor | 1941 - 1942 | 2 | |
| Kohlund, Erwin, | Erwin Kohlund | Actor | 1946 - 1955 | 2 | |
| Kurt, Fred, | Fred Kurt | Actor | 1947 | 2 | |
| Kohls, Walter, | Walter Kohls | Actor | 1950 | 2 | |
| Koumarioti, Eleni, | Eleni Koumarioti | Actor | 1903 | 2 | |
| Kassabov, Dotscho, | Dotscho Kassabov | Actor | 1903 | 2 | |
| Kosiński, Feliks, | Feliks Kosiński | Actor | 1903 - 1904 | 2 | |
| Kliszewski, Antoni, | Antoni Kliszewski | Actor | 1903 | 2 | |
| Kalff, Marie, | Marie Kalff | Actor | 1904 | 2 | |
| Korczak-Wesołowski, Zygmunt, | Zygmunt Korczak-Wesołowski | Actor | 1904 - 1905 | 2 | |
| Kotljarevski, Stefan Mladenov, | Stefan Mladenov Kotljarevski | Translator | 1904 | 2 | |
| Kolthoff, Signe, | Signe Kolthoff | Actor | 1905 | 2 | |
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Contributors
