| König, Peter, | Peter König | Actor | 1946 – 2013 | 3 | |
| Kubitzky, Axel, | Axel Kubitzky | Actor | 1946 | 1 | |
| Kohlund, Erwin, | Erwin Kohlund | Actor | 1946 – 1955 | 2 | |
| Knapp, Max, | Max Knapp | Actor | 1946 | 1 | |
| Keppler, Verena, | Verena Keppler | Actor | 1947 | 1 | |
| Krause, Ilse, | Ilse Krause | Actor | 1947 | 1 | |
| Kurt, Fred, | Fred Kurt | Actor | 1947 | 2 | |
| König, Sigrid, | Sigrid König | Actor | 1947 – 1948 | 1 | |
| Krieg-Helbig, Otto, | Otto Krieg-Helbig | Actor | 1947 – 1948 | 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 | 7 | |
| Klinger, Eugen, | Eugen Klinger | Actor | 1949 | 1 | |
| Korb, Irene, | Irene Korb | Actor | 1949 | 1 | |
| Kerbler, Eva, | Eva Kerbler | Actor | 1949 – 1966 | 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 | 2 | |
| Kaufmann, Charlotte, | Charlotte Kaufmann | Actor | 1950 | 1 | |
| Kielmann, Henry, | Henry Kielmann | Actor | 1950 | 1 | |
| Kettler, Liselott, | Liselott Kettler | Actor | 1950 | 3 | |
| Kuhn, Änne, | Änne Kuhn | Actor | 1950 | 1 | |
| Koblentz, Hannelore, | Hannelore Koblentz | Actor | 1950 | 1 | |
| Kochan, Stanisław, | Stanisław Kochan | Actor | 1900 | 1 | |
| Kahn, Florence, | Florence Kahn | Actor | 1900 – 1908 | 8 | |
| Knoblauch, Edward, | Edward Knoblauch | Actor | 1900 | 1 | |
| Kazouri, Ourania, | Ourania Kazouri | Actor | 1900 | 4 | |
| Kačalov, Vasilij, | Vasilij Kačalov | Actor | 1900 – 1924 | 11 | |
| Koševerova, M., | M. Koševerova | Actor | 1900 – 1924 | 5 | |
| Koreneva, L., | L. Koreneva | Actor | 1900 – 1924 | 5 | |
| Koonen, A., | A. Koonen | Actor | 1900 – 1924 | 5 | |
| Knipper-Chekhova, Olga, | Olga Knipper-Chekhova | Actor | 1900 | 6 | |
| Klafstad, Ingebjørg, | Ingebjørg Klafstad | Actor | 1901 | 1 | |
| Kwiatkiewiczowa, Eugenia, | Eugenia Kwiatkiewiczowa | Actor | 1901 – 1913 | 5 | |
| Klintberg, -, | - Klintberg | Actor | 1901 – 1910 | 4 | |
| Kalogerikos, Panos, | Panos Kalogerikos | Actor | 1902 – 1903 | 12 | |
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