| 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 | |
| Koroleva, Lina A. | Lina A. Koroleva | Actor | 1912 | 3 | |
| Kontogiannis, Konstantinos | Konstantinos Kontogiannis | Actor | 1912 | 3 | |
| Knudssøn, Rolf | Rolf Knudssøn | Actor | 1916 - 1926 | 3 | |
| Kalniņš, Rodrigo | Rodrigo Kalniņš | Actor | 1917 - 1921 | 3 | |
| Kvēps, Konrāds | Konrāds Kvēps | Actor | 1917 - 1937 | 3 | |
| Kåge, Ivar | Ivar Kåge | Actor | 1920 - 1927 | 3 | |
| Kamburova, Dobrinka | Dobrinka Kamburova | Actor | 1912 - 1921 | 3 | |
| Knudsen, Kaare | Kaare Knudsen | Actor | 1921 - 1942 | 3 | |
| Künemund, Günter | Günter Künemund | Actor | 1959 - 1990 | 3 | |
| Kellermann, Werner | Werner Kellermann | Mask Maker | 1975 - 1984 | 3 | |
| Kavanaugh, Richard | Richard Kavanaugh | Actor | 1975 - 1983 | 3 | 1 |
| Kállai, Ferenc | Ferenc Kállai | Actor | 1974 - 1991 | 3 | 1 |
| Kordziński, Roman | Roman Kordziński | Director | 1968 - 1971 | 3 | |
| Konuschlieva, Rajna | Rajna Konuschlieva | Translator | 1977 - 1983 | 3 | |
| Kiss, Irén | Irén Kiss | Actor | 1928 | 3 | |
| Krogh, Arne | Arne Krogh | Actor | 1928 - 1935 | 3 | |
| König, Wilhelm | Wilhelm König | Actor | 1960 - 1973 | 3 | |
| Kroese, Gerhard | Gerhard Kroese | Mask Maker | 1992 - 1995 | 3 | |
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