| Kitamura, Masako | Masako Kitamura | Actor | 1955 - 1991 | 3 | |
| Kleinstück, Rainer | Rainer Kleinstück | Actor | 1981 - 1998 | 3 | |
| Kmiotek, Christian | Christian Kmiotek | Actor | 2000 - 2003 | 3 | |
| Kneissler, Rose | Rose Kneissler | Actor | 1964 - 1977 | 3 | |
| Knight, Robert | Robert Knight | Actor | 1943 - 1945 | 3 | |
| Knippels, Ad | Ad Knippels | Actor | 1996 | 3 | |
| Koch, Randi | Randi Koch | Actor | 1968 - 1990 | 3 | 1 |
| Koerber, Edith | Edith Koerber | Director | 2005 - 2006 | 3 | |
| Köhler, Hertha | Hertha Köhler | Actor | 1915 - 1936 | 3 | |
| Kolář, Zbynĕk | Zbynĕk Kolář | Costume Designer, Designer | 1975 - 1978 | 3 | |
| Koldenius, Jan | Jan Koldenius | Actor | 1985 - 2004 | 3 | 1 |
| Kolliner, Bedřich | Bedřich Kolliner | Actor | 1955 - 1973 | 3 | 1 |
| Kollman, Isabella | Isabella Kollman | Actor | 1978 - 1980 | 3 | |
| Korhonen, Aku | Aku Korhonen | Actor | 1928 - 1955 | 3 | |
| Kormos, Lajos | Lajos Kormos | Actor | 1946 - 1961 | 3 | |
| Kornmüller, Jacqueline | Jacqueline Kornmüller | Director | 1999 - 2005 | 3 | 1 |
| Kratochwil, Jeanny | Jeanny Kratochwil | Designer | 2000 - 2003 | 3 | |
| Kremer, Ulli | Ulli Kremer | Costume Designer | 2000 - 2003 | 3 | |
| Krogh, Morten | Morten Krogh | Director | 2001 - 2006 | 3 | 1 |
| Królikowski, Kazimierz | Kazimierz Królikowski | Actor | 1882 - 1892 | 3 | |
| Krüger, Hannes | Hannes Krüger | Actor | 1964 - 1971 | 3 | |
| Kuhlmann, Ulrich | Ulrich Kuhlmann | Actor | 1991 - 2001 | 3 | |
| Kuschel, Babette | Babette Kuschel | Actor | 1995 - 2002 | 3 | 1 |
| Kittelsen, Agnes Hilden | Agnes Hilden Kittelsen | Actor | 2007 - 2015 | 3 | 1 |
| Kurmin, Dagmar | Dagmar von Kurmin | Actor | 1966 - 2003 | 3 | |
| Kühnreich, Christina A. | Christina A. Kühnreich | Actor | 2001 - 2013 | 3 | 1 |
| Kindelan, Nancy | Nancy Kindelan | Actor, Director | 1968 - 2001 | 3 | 1 |
| Köth-Schäfer, Mrs. | Mrs. Köth-Schäfer | Actor | 1896 - 1898 | 3 | |
| Kiefer, Laura | Laura Kiefer | Actor | 2008 | 3 | |
| Kamio, Kozo | Kozo Kamio | Lighting Designer | 1928 | 3 | |
| Kuckartz, Mathias | Mathias Kuckartz | Actor | 1905 - 1909 | 3 | |
| Kooshk Jalali, Alireza | Alireza Kooshk Jalali | Director, Dramaturg, Translator | 2010 | 3 | |
| Kowitz, Peter | Peter Kowitz | Actor | 1986 - 1999 | 3 | 1 |
| Krüger, Charlotte | Charlotte Krüger | Actor | 1919 - 1943 | 3 | |
| Krejcir, Elisabeth | Elisabeth Krejcir | Actor | 1971 - 1985 | 3 | |
| Kölbl, Inge | Inge Kölbl | Actor | 1943 | 3 | |
| Ksoll, Josef | Josef Ksoll | Costume Designer | 1943 | 3 | |
| Klein, Gisela | Gisela Klein | Actor | 1902 - 1908 | 3 | |
| Knobelauch, Ferdinand | Ferdinand Knobelauch | Actor | 1868 - 1871 | 3 | |
| Keller, - | - Keller | Actor | 1877 - 1878 | 3 | |
| Klingstedt, Hr. | Hr. Klingstedt | Actor | 1877 - 1886 | 3 | |
| Kolling, Waldemar | Waldemar Kolling | Actor | 1877 - 1880 | 3 | |
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