| Koch-Bauer, Johanna, | Johanna Koch-Bauer | Actor | 1927 - 1932 | 5 | |
| Kaufmann, Georg, | Georg Kaufmann | Actor | 1927 | 1 | |
| Klaudius, Fritz, | Fritz Klaudius | Actor | 1927 | 1 | |
| Koblank, Richard, | Richard Koblank | Actor | 1927 | 1 | |
| Kerpen, Erna, | Erna Kerpen | Actor | 1927 | 1 | |
| Kiel, Max, | Max Kiel | Actor | 1927 | 1 | |
| König, Willy Heinz, | Willy Heinz König | Actor | 1927 | 1 | |
| Kann, Lilly, | Lilly Kann | Actor | 1921 - 1922 | 4 | |
| Krämer, Liselotte, | Liselotte Krämer | Actor | 1928 | 1 | |
| Kampers, Fritz, | Fritz Kampers | Actor | 1928 | 1 | |
| Köhler, Renée, | Renée Köhler | Actor | 1928 | 1 | |
| Kastner, Ina, | Ina Kastner | Actor | 1928 | 1 | |
| Knispel, Julius, | Julius Knispel | Actor | 1928 | 1 | |
| Kühne, Friedrich, | Friedrich Kühne | Actor | 1928 | 1 | |
| Kayßler, Christian, | Christian Kayßler | Actor | 1928 | 1 | |
| Kipper, Rose, | Rose Kipper | Actor | 1928 | 1 | |
| Kirchner, Franzi, | Franzi Kirchner | Actor | 1928 | 1 | |
| Kirchner, Lorenz, | Lorenz Kirchner | Actor | 1928 | 1 | |
| Kopp, Mila, | Mila Kopp | Actor | 1928 | 2 | |
| Keindorf, -, | - Keindorf | Actor | 1928 | 1 | |
| Kunz, -, | - Kunz | Actor | 1928 | 1 | |
| Kaesler, Oskar, | Oskar Kaesler | Actor | 1928 | 1 | |
| Kremer, Else, | Else Kremer | Actor | 1928 - 1935 | 3 | |
| Kaiser, Friedrich Wilhelm, | Friedrich Wilhelm Kaiser | Actor | 1928 | 2 | |
| Kusterer, Karl, | Karl Kusterer | Actor | 1928 | 2 | |
| Klafft, Hugo, | Hugo Klafft | Actor, Director | 1925 - 1931 | 4 | |
| Köblitz, Fritz, | Fritz Köblitz | Actor | 1928 | 2 | |
| Kottenkamp, Walther, | Walther Kottenkamp | Actor | 1928 | 1 | |
| Korth, Walter, | Walter Korth | Actor | 1909 - 1932 | 6 | |
| Krohn, Max, | Max Krohn | Composer | 1929 | 2 | |
| Kraus, Hilde Maria, | Hilde Maria Kraus | Actor | 1930 | 2 | |
| Künkler, Karl, | Karl Künkler | Actor | 1931 | 2 | |
| Kleiser, Rudolf, | Rudolf Kleiser | Actor | 1931 - 1938 | 4 | |
| Koppenhofer, Maria, | Maria Koppenhofer | Actor | 1931 | 1 | |
| Krumschmidt, Eberhard, | Eberhard Krumschmidt | Actor, Director | 1931 | 2 | |
| Krahmer, Friedrich, | Friedrich Krahmer | Actor | 1931 - 1932 | 1 | |
| Klingenberg, Heinz, | Heinz Klingenberg | Actor | 1931 - 1932 | 2 | |
| Koerfer, Liselotte, | Liselotte Koerfer | Actor | 1931 - 1932 | 1 | |
| Klein, Alexander, | Alexander Klein | Actor | 1931 - 1932 | 1 | |
| Knott, Else, | Else Knott | Actor | 1931 | 4 | |
| Kraut, Werner Maria, | Werner Maria Kraut | Actor, Director | 1931 | 5 | |
| Kaiser, Grete, | Grete Kaiser | Actor | 1932 | 2 | |
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