| Kleinstück, Rainer | Rainer Kleinstück (Rainer Kleinstück) | Actor | 1981 - 1998 | 3 | |
| Klemm, Alma | Alma Klemm (Alma Klemm) | Actor | 1994 | 1 | |
| Klemm, Carole | Carole Klemm (Carole Klemm) | Designer | 2007 | 1 | |
| Klemm, Moritz | Moritz Klemm (Moritz Klemm) | Actor | 1994 | 1 | |
| Klette, Michael | Michael Klette (Michael Klette) | Director | 1999 - 2015 | 2 | |
| Klietsch, Erwin | Erwin Klietsch (Erwin Klietsch) | Actor | 1937 - 1939 | 4 | |
| Klimes, Petr | Petr Klimes (Petr Klimes) | Actor | 1998 - 2002 | 2 | |
| Klingenburg, Elena | Elena Klingenburg (Elena Klingenburg) | Actor | 2001 | 1 | |
| Kline, Joanna | Joanna Kline (Joanna Kline) | Actor | 1999 | 1 | |
| Klingelhoefer, Robert | Robert Klingelhoefer (Robert Klingelhoefer) | Designer | 1993 - 2004 | 2 | |
| Klinke, Iris | Iris Klinke (Iris Klinke) | Actor | 1992 | 1 | |
| Klos, Dieter | Dieter Klos (Dieter Klos) | Choreographer | 1981 | 1 | |
| Kloster, Matthew | Matthew Kloster (Matthew Kloster) | Actor | 2004 | 1 | |
| Klotz, Hilde | Hilde Klotz (Hilde Klotz) | Actor | 1956 | 1 | |
| Kluth, Vera | Vera Kluth (Vera Kluth) | Actor | 1963 | 1 | |
| Kment, Claudia | Claudia Kment (Claudia Kment) | Actor | 2002 - 2004 | 12 | |
| Kmiotek, Christian | Christian Kmiotek (Christian Kmiotek) | Actor | 2000 - 2003 | 3 | |
| Knapczyńska, Józefa | Józefa Knapczyńska (Józefa Knapczyńska) | Actor | 1883 - 1884 | 2 | |
| Knaus, Walter | Walter Knaus (Walter Knaus) | Director | 1956 - 1965 | 2 | |
| Knautz, Emy | Emy Knautz (Emy Knautz) | Choreographer | 1973 | 1 | |
| Kneisel, Michael | Michael Kneisel (Michael Kneisel) | Actor | 1998 | 1 | |
| Kneissler, Rose | Rose Kneissler (Rose Kneissler) | Actor | 1964 - 1977 | 3 | |
| Knight, Donald | Donald Knight (Donald Knight) | Actor | 1964 | 1 | |
| Knight, Parky | Parky Knight (Parky Knight) | Actor | 1930 | 1 | |
| Knight, Robert | Robert Knight (Robert Knight) | Actor | 1943 - 1945 | 3 | |
| Knina, Gustav | Gustav Knina (Gustav Knina) | Designer | 1907 - 1918 | 7 | |
| Knippels, Ad | Ad Knippels (Ad Knippels) | Actor | 1996 | 3 | |
| Knoop, Eva | Eva Knoop (Eva Knoop) | Actor | 1956 - 1957 | 28 | |
| Knoop, Gerhard | Gerhard Knoop (Gerhard Knoop) | Actor, Director | 1951 - 1991 | 129 | |
| Knorr, Hilmar | Hilmar Knorr (Hilmar Knorr) | Actor | 1876 - 1881 | 7 | |
| Knoth, Hilde | Hilde Knoth (Hilde Knoth) | Actor | 1916 - 1929 | 6 | |
| Knowles, Alice | Alice Knowles (Alice Knowles) | Actor | 1916 | 1 | |
| Knowles, Pauline | Pauline Knowles (Pauline Knowles) | Actor | 2004 | 5 | |
| Knox, Olive | Olive Knox (Olive Knox) | Actor | 1960 | 1 | |
| Knudsen, David | David Knudsen (David Knudsen) | Actor | 1903 - 1950 | 33 | |
| Knuivers, Gerda | Gerda Knuivers (Gerda Knuivers) | Costume Designer | 2002 | 14 | |
| Knysz, Jordyn | Jordyn Knysz (Jordyn Knysz) | Actor | 2005 | 1 | |
| Köberich, Marion | Marion Köberich (Marion Köberich) | Actor | 1986 - 1987 | 2 | |
| Kobler, Julius | Julius Kobler (Julius Kobler) | Actor | 1908 - 1929 | 11 | |
| Koch, Blaise | Blaise Koch (Blaise Koch) | Actor | 1995 | 1 | |
| Koch, Erika | Erika Koch (Erika Koch) | Costume Designer | 1951 - 1953 | 2 | |
| Koch, Inge | Inge Koch (Inge Koch) | Actor, Costume Designer | 1975 - 1990 | 5 | |
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