| Kleber, Martin, | Martin Kleber | Actor | 1937 | 1 | |
| Kindler, Hans Dietrich, | Hans Dietrich Kindler | Musical Director | 1937 | 1 | |
| Kramp, Wilhelm, | Wilhelm Kramp | Actor | 1937 | 1 | |
| Kaub, Paula, | Paula Kaub | Actor | 1937 | 1 | |
| Karsten, Nico, | Nico Karsten | Actor | 1937 - 1938 | 2 | |
| Karsten, Fredy, | Fredy Karsten | Actor | 1937 - 1945 | 3 | |
| Koller, Else, | Else Koller | Actor | 1937 - 1938 | 2 | |
| Krüger, Bum, | Bum Krüger | Actor | 1937 | 1 | |
| Kirscht, Oskar, | Oskar Kirscht | Actor | 1938 | 1 | |
| Kürzl, -, | - Kürzl | Actor | 1938 | 1 | |
| Kammer, -, | - Kammer | Actor | 1938 | 3 | |
| Kroll, -, | - Kroll | Actor | 1938 | 1 | |
| Krüger, Margarethe, | Margarethe Krüger | Actor | 1938 | 2 | |
| Klüsner, Carl, | Carl Klüsner | Actor | 1938 | 1 | |
| Kurth, Otto, | Otto Kurth | Actor, Director | 1938 - 1979 | 4 | |
| Klatt, Herbert B., | Herbert B. Klatt (Herbert B. Klatt) | Actor | 1938 | 1 | |
| Kettler, Hans, | Hans Kettler | Actor | 1928 - 1938 | 2 | |
| Kasten, Otto, | Otto Kasten | Director | 1938 | 1 | |
| Kaiser, Hella, | Hella Kaiser | Actor | 1938 | 1 | |
| Knoche, Albert, | Albert Knoche | Actor | 1938 | 1 | |
| Kupfer, Hermann, | Hermann Kupfer | Actor | 1938 | 1 | |
| Kollberg, Ernst, | Ernst Kollberg | Actor | 1933 - 1963 | 3 | |
| Kühnlein, -, | - Kühnlein | Actor | 1938 | 1 | |
| Kürzel, Gaby, | Gaby Kürzel | Actor | 1938 | 1 | |
| Kugelgruber, Hans, | Hans Kugelgruber | Actor | 1938 | 1 | |
| Karsten, Maria, | Maria Karsten | Actor | 1939 | 1 | |
| Kuhn, Karl, | Karl Kuhn | Actor | 1939 | 1 | |
| Kreuteler, Josef, | Josef Kreuteler | Actor | 1939 | 1 | |
| Köbel, Käte, | Käte Köbel | Actor | 1939 | 1 | |
| Köhler, Kl. Rosel, | Kl. Rosel Köhler | Actor | 1939 | 1 | |
| Kalvius, Rudolf, | Rudolf Kalvius | Actor | 1939 | 2 | |
| Klubal, Anton, | Anton Klubal | Actor | 1940 | 1 | |
| Kuhn, Heinrich, | Heinrich Kuhn | Actor | 1940 | 1 | |
| Koop, Georg, | Georg Koop | Actor | 1940 | 1 | |
| Kaes, Hans, | Hans Kaes | Actor | 1940 - 1948 | 4 | |
| Kull, Käthe, | Käthe Kull | Actor | 1940 | 1 | |
| Klausegger, Bethli, | Bethli Klausegger | Actor | 1940 | 1 | |
| Köppen, Otto, | Otto Köppen | Actor | 1940 | 1 | |
| Kästner, Renate, | Renate Kästner | Actor | 1940 | 1 | |
| Kupfer, Ellen, | Ellen Kupfer | Actor | 1941 - 1955 | 2 | |
| Kiechle, Alfons, | Alfons Kiechle | Actor | 1941 | 1 | |
| Kahlmann, Carl, | Carl Kahlmann | Actor | 1941 | 1 | |
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