| Koch, Monika | Monika Koch | Actor | 1986 - 1993 | 7 | |
| Koennecke, Klaus | Klaus Koennecke | Actor | 1970 - 1993 | 7 | |
| Kollhoff, Heiner | Heiner Kollhoff | Actor | 1961 - 1985 | 7 | |
| Kőmives, Sándor | Sándor Kőmives | Actor | 1954 - 1989 | 7 | |
| Kozłowski, Maciej | Maciej Kozłowski | Actor | 2006 - 2009 | 7 | |
| Kumara, Dilip | Dilip Kumara | Actor | 2006 | 7 | |
| Kusuyama, Masao | Masao Kusuyama | Translator | 1925 - 1969 | 7 | |
| Knabl, Rudolf G. | Rudolf G. Knabl | Composer | 1981 - 2008 | 7 | |
| Kibenick, Henry, | Henry Kibenick | Actor | 1888 - 1901 | 7 | |
| Klára, Tompa, | Tompa Klára | Actor | 1905 - 2010 | 7 | 8 |
| Klausen, Sigurd Aae, | Sigurd Aae Klausen | Actor, Director | 1994 - 2011 | 7 | |
| Kirchleitner, Lydia | Lydia Kirchleitner | Costume Designer | 2006 - 2019 | 7 | |
| Katzschmann, Christian | Christian Katzschmann | Dramaturg | 2010 - 2016 | 7 | |
| Klausen, Elisabeth, | Elisabeth Klausen | Actor | 1873 - 1908 | 7 | |
| Key, Gustaf, | Gustaf Emil Key | Actor | 1876 - 1879 | 7 | 1 |
| Klefberg, Hilda, | Hilda Klefberg | Actor | 1879 - 1895 | 7 | |
| Kutschera, Viktor, | Viktor Kutschera | Actor | 1890 - 1928 | 7 | |
| Krüger, Mr., | Mr. Krüger | Actor, Designer, Director | 1892 - 1908 | 7 | |
| Knake-Zawadzki, Stanisław, | Stanisław Knake-Zawadzki | Actor | 1894 - 1911 | 7 | |
| Klein, Josef, | Josef Klein | Actor | 1897 - 1910 | 7 | |
| Klein, Julius, | Julius Klein | Designer | 1906 - 1916 | 7 | |
| Kiesau, Georg, | Georg Kiesau | Actor, Director | 1914 - 1938 | 7 | |
| Krauß, Ingo, | Ingo Krauß | Actor, Director | 1906 - 1922 | 7 | |
| Kleinert, Robert, | Robert Kleinert | Actor | 1916 - 1937 | 7 | |
| Kennedy, Mela, | Mela Kennedy | Actor | 1909 - 1929 | 7 | |
| Kramm, Charlotte, | Charlotte Kramm | Actor | 1921 - 1966 | 7 | |
| Kaiser, Cläre, | Cläre Kaiser | Actor | 1933 - 2006 | 7 | |
| Kolander, Friedrich, | Friedrich Kolander | Actor | 1934 - 1961 | 7 | |
| Komissarzhevskaya, Vera F., | Ве́ра Фё́доровна Комиссарже́вская (Vera F. Komissarzhevskaya) | Actor, Producer | 1904 - 1908 | 7 | 14 |
| Knudsen, Ranka, | Ranka Knudsen | Actor | 1908 - 1940 | 7 | |
| Kvarme, Geir Sundberg, | Geir Sundberg Kvarme | Actor | 1991 - 2018 | 7 | 1 |
| Kiran, Stein, | Stein Kiran | Actor | 1994 - 2019 | 7 | |
| Kydland, Anne Jorunn, | Anne Jorunn Kydland | Actor, Costume Designer, Designer, Director, Sound Designer | 1978 - 2013 | 7 | |
| Krogsrud, Dagfinn, | Dagfinn Krogsrud | Actor | 1995 - 2007 | 7 | |
| Kjorstad, Guro, | Guro Kjorstad | Actor | 2001 - 2007 | 7 | |
| Kroken, Asbjørn, | Asbjørn Kroken | Actor | 2005 - 2007 | 7 | |
| Kerr, Jarvis | Jarvis Kerr | Actor | 1926 - 1927 | 7 | |
| Kafkaridis, Stelios | Stelios Kafkaridis | Actor | 1974 | 7 | |
| Karantinos, Sokratis | Sokratis Karantinos | Director | 1974 | 7 | |
| Kröger, Ruth Marie | Ruth Marie Kröger | Actor | 2000 - 2007 | 7 | |
| Keidser, Willy | Willy Keidser | Actor | 1949 - 1976 | 7 | |
| Klinger, Charlotte | Charlotte Klinger | Actor | 1960 - 1982 | 7 | |
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