| Krause, Kay | Kay Krause | Actor | 1998 | 5 | |
| Knapp, Terence | Terence Knapp | Actor | 1964 - 1965 | 5 | |
| Kropf, Robert | Robert Kropf | Actor, Adaptation, Designer, Director | 2012 - 2017 | 5 | |
| Karatza, Tonia | Tonia Karatza | Actor | 1961 - 1997 | 5 | |
| Kypraiou, Eleni | Eleni Kypraiou | Actor | 1961 - 1997 | 5 | |
| Kozomara, Ivana | Ivana Kozomara | Actor | 2011 | 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 | 5 | |
| Kerner, Debi | Debi Kerner | Actor | 1999 | 5 | |
| Kain, Christine | Christine Kain | Actor | 1977 | 5 | |
| Kerky, Dietrich | Dietrich Kerky | Actor | 1977 | 5 | |
| Kopf, Markus | Markus Kopf | Director | 2017 | 5 | |
| Kühne, Mike | Mike Kühne | Director | 2017 | 5 | |
| Käser, Martin | Martin Käser | Designer | 2018 | 5 | |
| Kühl, Michael | Michael Kühl | Actor | 2018 | 5 | |
| Komorr, Ralf | Ralf Komorr | Actor | 2018 | 5 | |
| Kuhn, Marta | Marta Kuhn | Actor | 1911 | 5 | |
| Koškina, Evgenija | Evgenija Koškina | Dancer | 2016 | 5 | |
| Križman Hudernik, Tijuana | Tijuana Križman Hudernik | Dancer | 2016 | 5 | |
| Krajnc Bagola, Iva | Iva Krajnc Bagola | Actor | 2015 | 5 | |
| Kapeljus, Emil, | Emil Kapeljus | Costume Designer, Designer | 2003 - 2006 | 4 | |
| Klein, Karin, | Karin Klein | Actor | 1987 - 2008 | 4 | |
| Kahn, Michael | Michael Kahn | Director | 1979 - 2001 | 4 | |
| Kallio, Ismo | Ismo Kallio | Actor | 1966 - 2003 | 4 | |
| Karlbeck, Marianne | Marianne Karlbeck | Actor | 1955 | 4 | |
| Kärn, Jo | Jo Kärn | Actor | 1972 | 4 | |
| Kárpáti, Enikő | Enikő Kárpáti | Costume Designer | 1989 | 4 | |
| Karpinski, Gisbert | Gisbert Karpinski | Choreographer, Dancer | 1981 - 1992 | 4 | |
| Kearney, Kristine | Kristine Kearney | Costume Designer | 1984 - 2011 | 4 | |
| Kelemen, Éva | Éva Kelemen | Actor | 1941 | 4 | |
| Kenda, Roland | Roland Kenda | Actor | 1981 - 2012 | 4 | |
| Kermani, Sheema, | Sheema Kermani | Actor | 2006 - 2012 | 4 | |
| Kieburg, Christel | Christel Kieburg | Actor | 1953 | 4 | |
| Kindermann, Uta | Uta Kindermann | Director | 2005 - 2006 | 4 | |
| Kirk, John | John Kirk | Actor | 2008 | 4 | |
| Klietsch, Erwin, | Erwin Klietsch | Actor | 1937 - 1938 | 4 | |
| Komulainen, Eeva-Kirsti, | Eeva-Kirsti Komulainen | Actor | 1999 - 2008 | 4 | |
| Konrath, Edith | Edith Konrath | Actor | 2002 - 2007 | 4 | |
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