| 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 | |
| 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 | |
| Knautz, Emy | Emy Knautz | Choreographer | 1973 | 1 | |
| Kneisel, Michael | Michael Kneisel | Actor | 1998 | 1 | |
| Kneissler, Rose | Rose Kneissler | Actor | 1964 - 1977 | 3 | |
| Knight, Donald | Donald Knight | Actor | 1964 | 1 | |
| Knight, Parky | Parky Knight | Actor | 1930 | 1 | |
| Knight, Robert | Robert Knight | Actor | 1943 - 1945 | 3 | |
| Knina, Gustav | Gustav Knina | Designer | 1907 - 1918 | 7 | |
| Knippels, Ad | Ad Knippels | Actor | 1996 | 3 | |
| Knoop, Eva | Eva Knoop | Actor | 1956 - 1957 | 28 | |
| Knoth, Hilde | Hilde Knoth | Actor | 1916 - 1929 | 6 | |
| Knowles, Alice | Alice Knowles | Actor | 1916 | 1 | |
| Knowles, Pauline | Pauline Knowles | Actor | 2004 | 5 | |
| Knox, Olive | Olive Knox | Actor | 1960 | 1 | |
| Knuivers, Gerda | Gerda Knuivers | Costume Designer | 2002 | 14 | |
| Knysz, Jordyn | Jordyn Knysz | Actor | 2005 | 1 | |
| Köberich, Marion | Marion Köberich | Actor | 1986 - 1987 | 2 | |
| Kobler, Julius | Julius Kobler | Actor | 1908 - 1929 | 11 | |
| Koch, Blaise | Blaise Koch | Actor | 1995 | 1 | |
| Koch, Erika | Erika Koch | Costume Designer | 1951 - 1953 | 2 | |
| Koch, Inge | Inge Koch | Actor, Costume Designer | 1975 - 1990 | 5 | |
| Koch, Isgard | Isgard Koch | Actor | 1961 | 1 | |
| Koch, Monika | Monika Koch | Actor | 1986 - 1993 | 7 | |
| Koch-Hooge, Wilhelm | Wilhelm Koch-Hooge | Actor | 1956 | 1 | |
| Koczanowicz, Zbigniew | Zbigniew Koczanowicz | Director | 1960 | 1 | |
| Koczka, Gyula | Gyula Koczka | Actor | 1954 | 1 | |
| Koder, Urban | Urban Koder | Composer | 1979 - 1992 | 2 | |
| Kočetkova, Elena | Elena Kočetkova | Actor | 2001 | 1 | |
| Koefoed, Grethe | Grethe Koefoed | Actor | 1937 | 1 | |
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