| Kirton, George | George Kirton | Actor | 1952 | 1 | |
| Kisielnicki, Maurycy, | Maurycy Kisielnicki | Actor | 1887 - 1900 | 2 | |
| Kiss, Mari | Mari Kiss | Actor | 2001 - 2016 | 2 | |
| Kistner, Bert | Bert Kistner | Costume Designer, Designer | 1956 - 1985 | 5 | |
| Kita, Akiko | Akiko Kita | Actor | 1934 | 1 | |
| Kitamura, Masako | Masako Kitamura | Actor | 1955 - 1991 | 3 | |
| Kizaur, Matthew | Matthew Kizaur | Actor | 2000 | 1 | |
| Kizinkiewicz, Magdalena | Magdalena Kizinkiewicz | Actor | 1999 | 1 | |
| Kjeldbjerg, Bjarne | Bjarne Kjeldbjerg | Actor | 1955 | 1 | |
| Klang, Oskar | Oskar Klang | Actor | 1999 | 1 | |
| Klausing, Michaela | Michaela Klausing | Actor | 1982 | 1 | |
| Klētnieks, Karps | Karps Klētnieks | Actor | 1950 | 1 | |
| Kleber, Hans, | Hans Kleber | Costume Designer, Designer | 1972 - 1977 | 5 | |
| Klee, Josefine, | Josefine Klee | Actor | 1928 - 1931 | 2 | |
| Klee, Juliane | Juliane Klee | Actor | 1996 | 1 | |
| Kleger, Dylan | Dylan Kleger | Actor | 1987 | 1 | |
| Kleider, Sarah, | Sarah Kleider | Actor | 1918 | 1 | |
| Klein, Alida, | Alida Klein | Actor | 1896 | 1 | |
| Kleinert, Christian | Christian Kleinert | Actor | 2004 - 2006 | 2 | |
| Kleinoschegg, Willi, | Willi Kleinoschegg | Actor | 1917 - 1942 | 8 | |
| Kleinstück, Rainer | Rainer Kleinstück | Actor | 1981 - 1998 | 3 | |
| Klemm, Alma | Alma Klemm | Actor | 1994 | 1 | |
| Klemm, Carole | Carole Klemm | Designer | 2007 | 1 | |
| Klemm, Moritz | Moritz Klemm | Actor | 1994 | 1 | |
| Klette, Michael | Michael Klette | Director | 1999 - 2015 | 2 | |
| Klietsch, Erwin, | Erwin Klietsch | Actor | 1937 - 1939 | 4 | |
| Klimes, Petr | Petr Klimes | Actor | 1998 - 2002 | 2 | |
| Klingenburg, Elena | Elena Klingenburg | Actor | 2001 | 1 | |
| Kline, Joanna | Joanna Kline | Actor | 1999 | 1 | |
| Klingelhoefer, Robert | Robert Klingelhoefer | Designer | 1993 - 2004 | 2 | |
| Klinke, Iris | Iris Klinke | Actor | 1992 | 1 | |
| Klos, Dieter | Dieter Klos | Choreographer | 1981 | 1 | |
| Kloster, Matthew | Matthew Kloster | Actor | 2004 | 1 | |
| Klotz, Hilde, | Hilde Klotz | Actor | 1956 | 1 | |
| Kluth, Vera | Vera Kluth | Actor | 1963 | 1 | |
| Kment, Claudia | Claudia Kment | Actor | 2002 - 2004 | 12 | |
| Kmiotek, Christian, | Christian Kmiotek | Actor | 2000 - 2003 | 3 | |
| Knapczyńska, Józefa, | Józefa Knapczyńska | Actor | 1883 - 1884 | 2 | |
| Knaus, Walter | Walter Knaus | Director | 1956 - 1965 | 2 | |
| Knautz, Emy | Emy Knautz | Choreographer | 1973 | 1 | |
| Kneisel, Michael | Michael Kneisel | Actor | 1998 | 1 | |
| Kneissler, Rose | Rose Kneissler | Actor | 1964 - 1977 | 3 | |
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