| Klimeš, Antonín | Antonín Klimeš | Actor | 1933 | 5 | |
| Kukulies, Martin | Martin Kukulies | Costume Designer, Designer | 1998 - 2001 | 5 | |
| Krajewski-Bola, Andrzej, B. | Andrzej B. Krajewski-Bola | Translator | 2005 - 2012 | 5 | 1 |
| Kierzkowska, Maria | Maria Kierzkowska | Actor | 2009 - 2016 | 5 | |
| Kaszewska, Kinga | Kinga Kaszewska | Actor | 1999 | 5 | |
| Knaack, Peter | Peter Knaack | Actor | 2005 - 2017 | 5 | 1 |
| Kurzwernhart, Alexander | Alexander Kurzwernhart | Actor | 1989 | 5 | |
| Khondker, Ashish | Ashish Khondker | Actor, Director | 2006 | 5 | |
| Kulle, Hanna | Hanna Kulle | Actor | 2006 | 5 | 1 |
| Kerim, Mohamed Abdedl | Mohamed Abdedl Kerim | Actor | 2006 | 5 | |
| Khalef, Aza | Aza Khalef | Actor | 2006 | 5 | |
| Khalef, Ahmed | Ahmed Khalef | Composer | 2006 | 5 | |
| Kumar, Sikander | Sikandra Kumar | Actor | 2015 | 5 | |
| Kaur, Gurinderjot | Gurinderjot Kaur | Actor | 2015 | 5 | |
| Kamal, Rana, Santosh | Rana Santosh Kamal | Actor | 2015 | 5 | |
| Knebel, Hans Dieter | Hans Dieter Knebel | Actor | 1994 - 2017 | 5 | |
| Krisch, Johannes | Johannes Krisch | Actor | 1994 - 2012 | 5 | 2 |
| Kosel, David | David Kosel | Actor | 2009 - 2010 | 5 | 2 |
| Kuhn, Timo | Timo Kuhn | Composer | 2010 - 2012 | 5 | |
| Kica, Janusz | Janusz Kica | Director | 2009 - 2016 | 5 | 1 |
| Kraehahn, Arno | Arno Kraehahn | Composer | 2009 - 2016 | 5 | |
| Keränen, Elias | Elias Keränen | Actor | 2009 | 5 | |
| Kaiser, Rudolf | Rudolf Kaiser | Actor | 2011 | 5 | |
| Kuenti, Sam | Sam Kuenti | Actor | 2011 | 5 | |
| Korbel, Tonya | Tonya Korbel | Actor | 2011 | 5 | |
| Krause, Kay | Kay Krause | Actor | 1998 - 2014 | 5 | |
| Knapp, Terence | Terence Knapp | Actor | 1964 - 1965 | 5 | |
| Kropf, Robert | Robert Kropf | Actor, Adaptation, Designer, Director | 2012 - 2017 | 5 | |
| Kranz, Mario | Mario Kranz | Actor | 1953 - 1964 | 5 | |
| Karatza, Tonia | Tonia Karatza | Actor | 1961 - 1997 | 5 | |
| Kypraiou, Eleni | Eleni Kypraiou | Actor | 1961 - 1997 | 5 | |
| Kozomara, Ivana | Ivana Kozomara | Actor | 2011 | 5 | |
| Kallum, Christian, Ruud | Christian Ruud Kallum | Actor | 2016 - 2022 | 5 | |
| Kettenis, Karina | Karina Kettenis | Actor | 2014 | 5 | |
| Kelling, Coba | Coba Kelling | Actor | 1956 | 5 | |
| Kamili, Charis | Charis Kamili | Actor | 1950 - 1952 | 5 | |
| Kennedy, Michael | Michael Kennedy | Actor | 1935 - 1951 | 5 | |
| Ksienzyk, Andreas | Andreas Ksienzyk | Actor | 2000 | 5 | |
| Krontira, Mairi | Mairi Krontira | Actor | 1933 - 1935 | 5 | |
| Kerner, Debi | Debi Kerner | Actor | 1999 | 5 | |
| Kain, Christine | Christine Kain | Actor | 1977 | 5 | |
| Kerky, Dietrich | Dietrich Kerky | Actor | 1977 | 5 | |
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