| Klein, Frieder | Frieder Klein (Frieder Klein) | Designer | 1971 - 1979 | 2 | |
| Klein, Demeter | Demeter Klein (Demeter Klein) | Actor | 1905 | 1 | |
| Klein, Christina | Christina Klein | Costume Designer | 2012 | 1 | |
| Klein, Christian | Christian Klein | Designer | 2020 | 1 | |
| Klein, Cesar | Cesar Klein (Cesar Klein) | Costume Designer, Designer | 1921 - 1940 | 6 | |
| Klein, C. A. | C. A. Klein | Director | 1909 | 1 | |
| Klein, Barbara | Barbara Klein | Actor | 1975 - 1991 | 2 | |
| Klein, Anja | Anja Klein | Actor | 1999 | 1 | |
| Klein, Alida | Alida Klein (Alida Klein) | Actor | 1896 | 1 | |
| Klein, Alfred | Alfred Klein | Actor | 1918 | 1 | |
| Klein, Alexander | Alexander Klein (Alexander Klein) | Actor | 1931 | 1 | |
| Klein, Albert | Albert Klein (Albert Klein) | Actor | 1896 - 1913 | 11 | |
| Klein, Adolf | Adolf Klein (Adolf Klein) | Actor | 1889 - 1900 | 5 | |
| Klein-Weismann, Gerda | Gerda Klein-Weismann (Gerda Klein-Weismann) | Actor | 1934 | 1 | |
| Klein-Rohden, Rudolf | Rudolf Klein-Rohden | Actor | 1898 - 1914 | 5 | |
| Klein-Donath, Eva | Eva Klein-Donath | Actor | 1930 | 1 | |
| Kleimo, Emily | Emily Kleimo | Actor | 2018 | 1 | |
| Kleimjonova, Lilia | Lilia Kleimjonova | Assistant Director | 1989 | 1 | |
| Kleijn, Tom | Tom Kleijn | Translator | 1992 - 2008 | 21 | |
| Kleij, Lis, van der | Lis van der Kleij | Choreographer | 1991 | 1 | |
| Kleij, - | - Kleij (- Kleij) | Actor | 1893 | 1 | |
| Kleider, Sarah | Sarah Kleider (Sarah Kleider) | Actor | 1918 | 1 | |
| Kleiberg, Mimi | Mimi Kleiberg (Mimi Kleiberg) | Actor | 2006 | 1 | 2 |
| Kleiber, Walter | Walter Kleiber | Dancer | 1956 | 2 | |
| Kleiber, Hermine | Hermine Kleiber | Actor | 1895 | 1 | |
| Kleiber, Erich | Erich Kleiber | Conductor | 1917 | 1 | |
| Kleiber, Eleonore | Eleonore Kleiber | Costume Designer | 1964 - 2000 | 53 | |
| Kleger, Sandro | Sandro Kleger | Actor | 1989 | 1 | |
| Kleger, Dylan | Dylan Kleger (Dylan Kleger) | Actor | 1987 | 1 | |
| Klefstad, Lloyd | Lloyd Klefstad | Actor | 1937 | 1 | |
| Klefberg, Hilda | Hilda Klefberg (Hilda Klefberg) | Actor | 1879 - 1895 | 7 | |
| Kleene, Guido | Guido Kleene | Actor | 2003 | 1 | |
| Kleemann, Fredi | Fredi Kleemann | Actor | 1965 | 2 | |
| Klee, Lorenz | Lorenz Klee | Actor | 2008 | 7 | |
| Klee, Juliane | Juliane Klee (Juliane Klee) | Actor | 1996 | 1 | |
| Klee, Josefine | Josefine Klee (Josefine Klee) | Actor | 1928 - 1931 | 2 | |
| Kleczyńska, Anna (?) | Anna (?) Kleczyńska (Anna (?) Kleczyńska) | Actor | 1909 | 1 | |
| Klecker, Angela | Angela Klecker | Actor | 1996 | 1 | |
| Klebert, Paula | Paula Klebert (Paula Klebert) | Actor | 1926 | 1 | |
| Klebert sen., Karl | Karl Klebert sen. (Karl Klebert sen.) | Actor | 1926 | 1 | |
| Klebert jr., Karl | Karl Klebert jr. (Karl Klebert jr.) | Actor | 1926 | 2 | |
| Kleber, Martin | Martin Kleber (Martin Kleber) | Actor | 1937 | 1 | |
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