| Kolms, Lucie | Lucie Kolms | Actor | 1926 - 1928 | 3 | 1 |
| Kastner, Heinrich | Heinrich Kastner | Actor | 1926 - 1961 | 3 | |
| Kremer, Else | Else Kremer | Actor | 1928 - 1935 | 3 | |
| Klam, Walter | Walter Klam | Actor | 1937 - 1966 | 3 | |
| Karsten, Fredy | Fredy Karsten | Actor | 1937 - 1945 | 3 | |
| Kammer, - | - Kammer | Actor | 1938 | 3 | |
| Kettler, Hans | Hans Kettler | Actor | 1928 - 1938 | 3 | |
| Kollberg, Ernst | Ernst Kollberg | Actor | 1933 - 1963 | 3 | |
| Koch, Horst | Horst Koch | Actor | 1941 - 1947 | 3 | |
| König, Peter | Peter König | Actor | 1946 - 2012 | 3 | |
| Kilger, Heinrich | Heinrich Kilger | Costume Designer, Designer | 1946 - 1964 | 3 | |
| Kerbler, Eva | Eva Kerbler | Actor | 1949 - 1970 | 3 | |
| Kettler, Liselott | Liselott Kettler | Actor | 1950 - 1966 | 3 | |
| Kriajeva, V. | V. Kriajeva | Actor | 1906 | 3 | 1 |
| Karataeff, A. | A. Karataeff | Actor | 1906 | 3 | 1 |
| Klein, Willy | Willy Klein | Actor, Director | 1906 - 1923 | 3 | |
| Kotopouli-Myrat, Chrysoula | Chrysoula Kotopouli-Myrat | Actor | 1906 - 1921 | 3 | |
| Klaer, Adele | Adele Klaer | Actor | 1906 - 1907 | 3 | |
| Kourtelis, (?) | (?) Kourtelis | Actor | 1907 | 3 | |
| Kuncewicz, Witold | Witold Kuncewicz | Actor | 1908 - 1917 | 3 | |
| Kiernicki, Marian | Marian Kiernicki | Actor | 1908 - 1915 | 3 | |
| Kokalis, Augusts | Augusts Kokalis | Actor | 1909 - 1914 | 3 | |
| Kirov, Geno | Geno Kirov | Actor | 1909 - 1911 | 3 | |
| Kelly, Gregory | Gregory Kelly | Actor | 1910 | 3 | 1 |
| Kottmann, Klaus | Klaus Kottmann | Lighting Designer | 2002 - 2007 | 3 | |
| Kaas, Low | Low Kaas | Costume Designer | 1959 - 1966 | 3 | |
| Kleppe, Marius | Marius Kleppe | Actor | 1995 - 2006 | 3 | |
| Kjellsby, Jorunn | Jorunn Kjellsby | Actor | 1978 - 1995 | 3 | 1 |
| Krogh, Marianne | Marianne Krogh | Actor | 1981 - 2002 | 3 | 1 |
| Koldal, Britt | Britt Koldal | Costume Designer | 2002 | 3 | |
| Kjørven, Martha | Martha Kjørven | Actor | 2002 - 2003 | 3 | |
| Kristoffersen, Ingunn | Ingunn Kristoffersen | Actor | 2003 - 2008 | 3 | |
| Klem, Per Lyder | Per Lyder Klem | Actor | 2006 | 3 | |
| Kongshavn, Linn Meyer | Linn Meyer Kongshavn | Director | 2006 - 2008 | 3 | 1 |
| Kvernberg, Espen | Espen Kvernberg | Actor | 2007 - 2009 | 3 | |
| Kronen, Beate | Beate Kronen | Actor | 2008 | 3 | |
| Kanestrøm, Silje | Silje Kanestrøm | Actor, Costume Designer | 2009 | 3 | |
| Kaminski, Bartek | Bartek Kaminski | Actor | 2009 - 2013 | 3 | 2 |
| Korsnes, Iris | Iris Korsnes | Actor | 2009 - 2010 | 3 | |
| Kibsgaard, Yvonne K. | Yvonne K. Kibsgaard | Actor | 2009 - 2010 | 3 | |
| Kaiser, Sebastian | Sebastian Kaiser | Actor, Dramaturg | 2011 - 2014 | 3 | |
| Karlsen, Truls | Truls Karlsen | Costume Designer | 2012 - 2015 | 3 | |
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