| Kolmar, Wilhelm | Wilhelm Kolmar | Actor | 1908 - 1910 | 6 | |
| Knab, Richard | Richard Knab | Actor | 1913 - 1915 | 6 | |
| Krüger, Wilhelm | Wilhelm Krüger | Actor | 1911 - 1955 | 6 | |
| Kernic, Anka | Anka Kernic | Actor | 1909 - 1918 | 6 | |
| Kraus, Hans Adalbert | Hans-Adalbert Kraus (Hans Adalbert Kraus) | Actor | 1932 - 1961 | 6 | |
| Köstlin, Karl | Karl Köstlin | Actor | 1911 - 1928 | 6 | |
| Klein, Cesar | Cesar Klein | Costume Designer, Designer | 1921 - 1940 | 6 | |
| Korth, Walter | Walter Korth | Actor | 1909 - 1931 | 6 | |
| Kertes, Susanne | Susanne Kertes | Actor | 1936 - 1945 | 6 | |
| Knipper-Chekhova, Olga Leonardovna | Olga Leonardovna Knipper-Chekhova | Actor | 1900 - 1918 | 6 | 1 |
| Kalogerikou, Christina | Christina Kalogerikou | Actor | 1902 - 1943 | 6 | |
| Kronbergs, Augusts | Augusts Kronbergs | Actor | 1910 - 1921 | 6 | |
| Kelly, Miriam | Miriam Kelly | Actor | 1994 | 6 | 1 |
| Knutsen, Arne | Arne Knutsen | Actor | 1978 - 2006 | 6 | |
| Kringstad, Guri | Guri Kringstad | Actor | 1995 - 1997 | 6 | |
| Kringstad, Arne | Arne Kringstad | Actor | 1996 - 1999 | 6 | |
| Kristiansen, Kari | Kari Kristiansen | Actor | 1997 - 1999 | 6 | |
| Kolbræk, Marit | Marit Kolbræk | Actor | 1971 - 2006 | 6 | 1 |
| Kristiansen, June | June Kristiansen | Actor, Director | 2009 - 2010 | 6 | 1 |
| Kratinová, Hermína | Hermína Kratinová | Actor | 1921 - 1928 | 6 | |
| Kasten, Thomas | Thomas Kasten | Actor | 1973 - 2014 | 6 | |
| Knoblauch, William | William Knoblauch | Actor | 1928 - 1956 | 6 | |
| Khell, Zsolt | Zsolt Khell | Designer | 2007 - 2010 | 6 | |
| Kindahl, Janne | Janne Kindahl | Mask Maker | 2002 - 2003 | 6 | |
| Kammer, Friederike | Friederike Kammer | Actor | 2003 - 2007 | 6 | 1 |
| Kahiluoto, Atro | Atro Kahiluoto | Adaptation, Director | 1995 - 2008 | 6 | 1 |
| Krepper, Magnus | Magnus Krepper | Actor | 2007 - 2012 | 6 | 2 |
| Kirchhoff, Corinna | Corinna Kirchhoff | Actor | 1993 - 2020 | 6 | 1 |
| Kalos, Dionysis | Dionysis Kalos | Actor | 1966 - 1980 | 6 | |
| Kapatos, Stelios | Stelios Kapatos | Actor | 1975 - 1985 | 6 | |
| Kvaran, Ævar, R. | Ævar R. Kvaran | Actor | 1943 - 1978 | 6 | |
| Kolma, Knut | Knut Kolma | Adaptation | 1961 - 1972 | 6 | |
| Kuhn, Bettina | Bettina Kuhn | Actor | 1981 | 6 | |
| Kavanová, Eva Marie | Eva Marie Kavanová | Adaptation | 1972 - 1994 | 6 | |
| Karén, Aarre | Aarre Karén | Actor | 1967 - 1981 | 6 | |
| Komulainen, Lauri | Lauri Komulainen | Actor | 1981 | 6 | |
| Krause, Johannes | Johannes Krause | Actor | 1961 - 1985 | 6 | 1 |
| Koktová, Vĕra | Vĕra Koktová | Actor | 1972 - 1994 | 6 | |
| Kupke, Peter | Peter Kupke | Director | 1983 - 1997 | 6 | 1 |
| Kouritis, Ilias | Ilias Kouritis | Actor | 1942 - 1954 | 6 | |
| Kres, Hans | Hans Kres | Mask Maker | 1959 - 1963 | 6 | |
| Kruse, Anja | Anja Kruse | Actor | 1986 - 2018 | 6 | |
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