| Kempgens, Erich, | Erich Kempgens | Designer | 1941 | 1 | |
| Koch, Horst, | Horst Koch | Actor | 1941 - 1947 | 3 | |
| Kammil, Norbert, | Norbert Kammil | Actor | 1941 - 1964 | 2 | |
| Krüger, Robert, | Robert Krüger | Actor | 1942 | 1 | |
| Korty, Sonia, | Sonia Korty | Choreographer | 1942 | 1 | |
| Kutsch, Bert, | Bert Kutsch | Actor | 1942 | 1 | |
| Krenzer, Friedr. Aug., | Friedr. Aug. Krenzer (Friedr. Aug. Krenzer) | Actor | 1942 | 1 | |
| Kömpel-Pilot, Manfred, | Manfred Kömpel-Pilot | Actor | 1942 | 1 | |
| Kunz, Albert, | Albert Kunz | Actor | 1943 | 1 | |
| Kober, Marianne, | Marianne Kober | Actor | 1943 | 1 | |
| Kiefer, Heinz, | Heinz Kiefer | Actor | 1943 | 1 | |
| Kristen, Ursula, | Ursula Kristen | Actor | 1943 | 1 | |
| Ketel, Manfred, | Manfred Ketel | Actor | 1943 | 1 | |
| Klopsch, Kurt, | Kurt Klopsch | Director | 1945 | 1 | |
| Kannapinn, Friedrich, | Friedrich Kannapinn | Composer | 1946 | 1 | |
| König, Peter, | Peter König | Actor | 1946 - 2012 | 3 | |
| Kubitzky, Axel, | Axel Kubitzky | Actor | 1946 | 1 | |
| Kohlund, Erwin, | Erwin Kohlund | Actor | 1946 - 1955 | 2 | |
| Knapp, Max, | Max Knapp | Actor | 1946 | 1 | |
| Kilger, Heinrich, | Heinrich Kilger | Costume Designer, Designer | 1946 - 1964 | 3 | |
| Koniarsky, Helmut, | Helmut Koniarsky | Designer | 1946 | 1 | |
| Keppler, Verena, | Verena Keppler | Actor | 1947 | 1 | |
| Krause, Ilse, | Ilse Krause | Actor | 1947 | 1 | |
| Kurt, Fred, | Fred Kurt | Actor | 1947 - 1949 | 2 | |
| König, Sigrid, | Sigrid König | Actor | 1947 | 1 | |
| Krieg-Helbig, Otto, | Otto Krieg-Helbig | Actor | 1947 | 1 | |
| Körber, Hilde, | Hilde Körber | Actor | 1948 | 1 | |
| Kalwoda, Karl, | Karl Kalwoda | Actor | 1948 | 1 | |
| Kurth, Hanns, | Hanns Kurth | Actor | 1948 | 1 | |
| Kinski, Klaus, | Klaus Kinski | Actor | 1948 | 1 | |
| Kübler, Jörn, | Jörn Kübler | Actor | 1948 | 1 | |
| Kübler, Olaf, | Olaf Kübler | Actor | 1948 | 1 | |
| Kolander, Friedrich, | Friedrich Kolander | Actor | 1934 - 1961 | 7 | |
| Krauskopf, Carola, | Carola Krauskopf | Choreographer | 1949 | 1 | |
| Klinger, Eugen, | Eugen Klinger | Actor | 1949 | 1 | |
| Korb, Irene, | Irene Korb | Actor | 1949 | 1 | |
| Kerbler, Eva, | Eva Kerbler | Actor | 1949 - 1970 | 3 | |
| Klevenow, Heinz, | Heinz Klevenow | Actor | 1949 | 1 | |
| Krug, Ellen, | Ellen Krug | Actor | 1950 | 1 | |
| Kollek, Helmut, | Helmut Kollek | Actor | 1950 | 1 | |
| Kissel, Helmut, | Helmut Kissel | Actor | 1950 | 1 | |
| Kohls, Walter, | Walter Kohls | Actor | 1950 - 1961 | 2 | |
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