| Kühn, Bernhard | Bernhard Kühn | Actor | 1894 – 1901 | 3 | |
| Kaiser, Paul | Paul Kaiser | Actor | 1893 – 1906 | 3 | |
| Krämer, Anfried | Anfried Krämer | Actor | 1961 – 1962 | 3 | |
| Kuntzsch, Joachim | Joachim Kuntzsch | Musician | 1975 | 3 | |
| Kramer, Katrin | Katrin Kramer | Dramaturg | 2013 – 2014 | 3 | |
| Kyrou, Giannis | Giannis Kyrou | Costume Designer, Designer | 1977 | 3 | |
| Koch, Freddy | Freddy Koch | Actor | 1953 – 1954 | 3 | |
| Kroll, Horst | Horst Kroll | Actor | 1971 | 3 | |
| Kitzesch, Jenny | Jenny Kitzesch | Actor | 1968 | 3 | |
| Kanew, Lubomir | Lubomir Kanew | Actor, Dancer | 1981 | 3 | |
| Kornbeck, Ellen | Ellen Kornbeck | Actor | 1913 | 3 | |
| Kromann, Einar | Einar Kromann | Actor | 1913 | 3 | |
| Kovaleff, Jyrki | Jyrki Kovaleff | Actor | 1981 | 3 | |
| Könemund, Hans | Hans Könemund | Costume Designer, Designer | 1961 | 3 | |
| Körmendy, János | János Körmendy | Actor | 1900 – 1925 | 3 | |
| Krtičková, Helena | Helena Krtičková | Actor | 1926 | 3 | |
| Krüger-Rosée, Lina | Lina Krüger-Rosée | Actor | 1900 | 3 | |
| Kloiber, Susanne | Susanne Kloiber | Costume Designer | 1981 | 3 | |
| Krug, Katherine | Katherine Krug | Actor | 1928 | 3 | |
| Kloster, Ragna | Ragna Kloster | Actor, Choreographer, Dancer | 1928 | 3 | |
| Korhonen, Ossi | Ossi Korhonen | Actor | 1928 | 3 | |
| Kappel, Günter | Günter Kappel | Costume Designer | 1956 | 3 | |
| König, Hans | Hans König | Actor | 1921 – 1933 | 3 | |
| Kesting, Christian | Christian Kesting | Actor | 1905 – 1911 | 3 | |
| Knöfler, Fritz | Fritz Knöfler | Actor | 1905 – 1911 | 3 | |
| Kornelatou, Georgia | Georgia Kornelatou | Actor | 1980 – 1981 | 3 | |
| Katz, Leon | Leon Katz | Adaptation, Dramaturg, Translator | 1983 | 3 | |
| Keller, Astrid | Astrid Keller | Actor | 1978 – 1998 | 3 | |
| Kolářová, Daniela | Daniela Kolářová | Actor | 2004 | 3 | |
| Kingdon, James | James Kingdon | Actor | 2007 – 2009 | 3 | 1 |
| Kabler, Wolf-Dieter | Wolf-Dieter Kabler | Actor | 1991 – 2009 | 3 | |
| Kechagias, Angelos | Angelos Kechagias | Actor | 2009 – 2011 | 3 | |
| Kičiňová, Miriam | Miriam Kičiňová | Dramaturg | 2009 – 2012 | 3 | |
| Kayser, Karl | Karl Kayser | Adaptation, Director | 1964 | 3 | |
| Kaume, Niklas | Niklas Kaume | Actor | 2013 – 2014 | 3 | |
| Kreckel, Paul | Paul Kreckel | Actor | 2013 – 2014 | 3 | |
| Kenward, Laura | Laura Kenward | Actor | 2013 – 2014 | 3 | |
| Kerč, Boris | Boris Kerč | Actor | 1986 | 3 | |
| Kirmse , Annette | Annette Kirmse | Actor | 1985 | 3 | |
| Koch, Franziska | Franziska Koch | Actor | 1906 | 3 | |
| Karm, Benny | Benny Karm | Designer | 1986 – 1987 | 3 | |
| Karm, Ingela | Ingela Karm | Designer | 1986 – 1987 | 3 | |
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