| Kiliç, Döndü | Döndü Kiliç | Assistant Director | 2016 | 1 | |
| Kochanek, Tobit | Tobit Kochanek | Assistant Director | 2016 | 1 | |
| Kumar, Shelia | Shelia Kumar | Actor | 2015 | 1 | |
| Keramati , Mahtab | Mahtab Keramati | Actor | 2014 | 1 | |
| Khoobroo, Soroush | Soroush Khoobroo | Actor | 2014 | 1 | |
| Kosari, Jahangir | Jahangir Kosari | Producer | 2014 | 1 | |
| Krzyston, Malgorzata | Malgorzata Krzyston | Assistant Director | 1997 | 1 | |
| Kwapisz, Beata | Beata Kwapisz | Assistant Director | 1997 | 1 | |
| Kraaij, Peter van | Peter van Kraaij | Dramaturg, Translator | 2017 - 2021 | 8 | |
| Kraakman, Maria | Maria Kraakman | Actor | 2017 - 2021 | 4 | |
| Knudsen, Viggo | Viggo Knudsen | Photographer | 2008 | 1 | |
| Kjell, Hapiakk | Hapiakk Kjell | Musician | 2008 | 1 | |
| Kluten Klaave, Severin | Severin Kluten Klaave | Musician | 2008 | 1 | |
| Klaussner, Rolf | Rolf Klaussner | Producer | 2006 | 1 | |
| Klingenberg, Meike | Meike Klingenberg | Producer | 2006 | 1 | |
| Kilmer, Logan | Logan Kilmer | Composer | 2006 | 1 | |
| Klischke, Thomas | Thomas Klischke | Assistant Director | 2005 | 1 | |
| Krämer, Perdita | Perdita Krämer | Assistant Director | 2005 | 1 | |
| Kittner, Jutta | Jutta Kittner | Producer | 2006 | 1 | |
| Kalenda, Verena Maria | Verena Maria Kalenda | Assistant Director | 2006 | 1 | |
| Khan, Irfan | Irfan Khan | Actor | 1991 | 1 | |
| Kaljusaar, Erika | Erika Kaljusaar | Actor | 1989 | 1 | |
| Kiisk, Kaljo | Kaljo Kiisk | Actor | 1989 | 1 | |
| Kokamägi, Epp-Maria | Epp-Maria Kokamägi | Costume Designer, Designer | 1989 | 2 | |
| Kleimjonova, Lilia | Lilia Kleimjonova | Assistant Director | 1989 | 1 | |
| Kamal, Imran | Imran Kamal | Adaptation, Assistant Director, Choreographer, Designer | 2017 | 4 | |
| Kade, Tarun | Tarun Kade | Dramaturg | 2021 | 1 | |
| Klever, Bart | Bart Klever | Actor | 2017 - 2021 | 3 | |
| Kökényessy, Ági | Ági Kökényessy | Actor | 1988 | 1 | |
| Kaszás, Attila | Attila Kaszás | Actor | 1988 | 1 | |
| Kinnunen, Heikki | Heikki Kinnunen | Actor | 1987 - 2002 | 2 | 1 |
| Kjerstad, Per, | Per Kjerstad | Actor | 2006 - 2008 | 8 | 1 |
| Kokko-Saukkonen, Leena, | Leena Kokko-Saukkonen | Actor | 1999 - 2008 | 8 | 1 |
| Kortner, Fritz, | Fritz Kortner | Actor, Adaptation, Director | 1923 - 1964 | 9 | 1 |
| Klenk, Thomas | Thomas Klenk | Actor | 1989 - 2011 | 10 | 1 |
| Kuznecova, Tat'jana | Tat'jana Kuznecova | Actor | 2005 - 2008 | 5 | 1 |
| Krohn, Georg, | Georg Krohn | Actor | 1864 - 1869 | 6 | 1 |
| Klingenfeld, Emma, | Emma Klingenfeld | Translator | 1876 - 2007 | 57 | 1 |
| Key, Gustaf, | Gustaf Emil Key | Actor | 1876 - 1879 | 7 | 1 |
| Krohn, Lully, | Lully Krohn | Actor | 1885 | 1 | 1 |
| Kainz, Josef, | Josef Kainz | Actor | 1903 - 1910 | 6 | 1 |
| Kvarme, Geir Sundberg, | Geir Sundberg Kvarme | Actor | 1991 - 2018 | 7 | 1 |
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