| Kusterer, Carl, | Carl Kusterer | Actor | 1908 – 1924 | 3 | |
| Kurth, Ferdinand, | Ferdinand Kurth | Actor, Director | 1909 | 3 | |
| Knopp, Kornelia, | Kornelia Knopp | Actor | 1909 | 3 | |
| König, Erna, | Erna König | Actor | 1910 | 3 | |
| Kny, Eugen, | Eugen Kny | Actor | 1911 – 1912 | 3 | |
| König, Elisabeth, | Elisabeth König | Actor | 1911 – 1913 | 3 | |
| Keppler, Ernst, | Ernst Keppler | Actor | 1919 | 3 | |
| Kaufmann, Martha, | Martha Kaufmann | Actor | 1915 – 1918 | 3 | |
| König, Gisela, | Gisela König | Actor | 1917 | 3 | |
| Krulle, Charlotte, | Charlotte Krulle | Actor | 1918 | 3 | |
| Kolkwitz, Paul, | Paul Kolkwitz | Actor, Director | 1919 – 1920 | 3 | |
| Kasten, Thea, | Thea Kasten | Actor | 1919 – 1932 | 3 | |
| Köppke, Margarethe, | Margarethe Köppke | Actor | 1920 | 3 | |
| Keim, Josef, | Josef Keim | Actor | 1921 | 3 | |
| Kemp, Paul, | Paul Kemp | Actor | 1921 | 3 | |
| Karina, Marianne, | Marianne Karina | Actor | 1916 | 3 | |
| Kinkel, Albertus, | Albertus Kinkel | Actor | 1925 | 3 | |
| Küter, Charlotte, | Charlotte Küter | Actor | 1926 – 1928 | 3 | |
| Kolms, Lucie, | Lucie Kolms | Actor | 1926 | 3 | |
| Kastner, Heinrich, | Heinrich Kastner | Actor | 1926 | 3 | |
| Kremer, Else, | Else Kremer | Actor | 1928 – 1935 | 3 | |
| Klam, Walter, | Walter Klam | Actor | 1937 | 3 | |
| Karsten, Fredy, | Fredy Karsten | Actor | 1937 | 3 | |
| Kammer, -, | - Kammer | Actor | 1938 | 3 | |
| Kollberg, Ernst, | Ernst Kollberg | Actor | 1933 | 3 | |
| Koch, Horst, | Horst Koch | Actor | 1941 – 1948 | 3 | |
| König, Peter, | Peter König | Actor | 1946 – 2013 | 3 | |
| Kilger, Heinrich, | Heinrich Kilger | Costume Designer, Designer | 1946 | 3 | |
| Kerbler, Eva, | Eva Kerbler | Actor | 1949 – 1966 | 3 | |
| Kettler, Liselott, | Liselott Kettler | Actor | 1950 | 3 | |
| Kriajeva, V., | V. Kriajeva | Actor | 1906 | 3 | |
| Karataeff, A., | A. Karataeff | Actor | 1906 | 3 | |
| Klein, Willy, | Willy Klein | Actor, Director | 1906 – 1924 | 3 | |
| Kotopouli-Myrat, Chrysoula, | Chrysoula Kotopouli-Myrat | Actor | 1906 – 1921 | 3 | |
| Klaer, Adele, | Adele Klaer | Actor | 1906 | 3 | |
| Kourtelis, (?), | (?) Kourtelis | Actor | 1907 | 3 | |
| Kuncewicz, Witold, | Witold Kuncewicz | Actor | 1908 – 1917 | 3 | |
| Kiernicki, Marian, | Marian Kiernicki | Actor | 1908 – 1915 | 3 | |
| Kokalis, Augusts, | Augusts Kokalis | Actor | 1909 | 3 | |
| Kirov, Geno, | Geno Kirov | Actor | 1909 | 3 | |
| Kelly, Gregory, | Gregory Kelly | Actor | 1910 | 3 | |
| Kottmann, Klaus, | Klaus Kottmann | Lighting Designer | 2002 – 2007 | 3 | |
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