| Kaehler, Ingrid | Ingrid Kaehler | Actor, Director | 1984 | 3 | |
| Kalima, Eino | Eino Kalima | Director | 1935 | 3 | |
| Kalinowski, Jenna | Jenna Kalinowski | Actor | 2006 | 3 | 3 |
| Kamiyama, Sojin, | Sojin Kamiyama | Actor, Director | 1912 - 1914 | 3 | |
| Kaplanová, Valerie | Valerie Kaplanová | Actor | 1956 | 3 | |
| Kaplow, Jeffry | Jeffry Kaplow | Actor | 2005 - 2006 | 3 | |
| Karahisaridis, Giannis | Giannis Karahisaridis | Composer, Director, Lighting Designer | 2008 | 3 | |
| Karppinen, Salme | Salme Karppinen | Actor | 1978 | 3 | |
| Keller, Markus | Markus Keller | Designer, Director | 2005 - 2015 | 3 | |
| Kersting, Irmgard | Irmgard Kersting | Costume Designer | 1992 | 3 | |
| Kessler, Anne, | Anne Kessler | Actor, Designer, Director | 1993 - 2006 | 3 | |
| Keyes, Lucy | Lucy Keyes | Costume Designer, Director | 1992 - 1995 | 3 | |
| Kinden, Inga, | Inga Kinden | Actor | 1902 - 1908 | 3 | |
| Kirkpatrick, Sam, | Sam Kirkpatrick | Costume Designer, Designer | 1976 - 1984 | 3 | |
| Kirsten, Astrid | Astrid Kirsten | Costume Designer | 1987 | 3 | |
| Kitamura, Masako | Masako Kitamura | Actor | 1955 - 1991 | 3 | |
| Kleinstück, Rainer | Rainer Kleinstück | Actor | 1981 | 3 | |
| Kmiotek, Christian, | Christian Kmiotek | Actor | 2000 - 2003 | 3 | |
| Kneissler, Rose | Rose Kneissler | Actor | 1964 | 3 | |
| Knight, Robert | Robert Knight | Actor | 1943 - 1945 | 3 | |
| Knippels, Ad | Ad Knippels | Actor | 1996 | 3 | |
| Koch, Randi, | Randi Koch | Actor | 1968 | 3 | |
| Koerber, Edith | Edith Koerber | Director | 2005 - 2007 | 3 | |
| Köhler, Hertha, | Hertha Köhler | Actor | 1915 | 3 | |
| Kolář, Zbynĕk | Zbynĕk Kolář | Costume Designer, Designer | 1975 - 1980 | 3 | |
| Koldenius, Jan | Jan Koldenius | Actor | 1985 - 2004 | 3 | |
| Kolliner, Bedřich | Bedřich Kolliner | Actor | 1955 | 3 | |
| Kollman, Isabella, | Isabella Kollman | Actor | 1978 - 1980 | 3 | |
| Korhonen, Aku | Aku Korhonen | Actor | 1928 | 3 | |
| Kormos, Lajos | Lajos Kormos | Actor | 1946 | 3 | |
| Kornmüller, Jacqueline | Jacqueline Kornmüller | Director | 1999 - 2006 | 3 | |
| Kratochwil, Jeanny, | Jeanny Kratochwil | Designer | 2000 - 2003 | 3 | |
| Kremer, Ulli, | Ulli Kremer | Costume Designer | 2000 - 2003 | 3 | |
| Krogh, Morten, | Morten Krogh | Director | 2001 - 2006 | 3 | |
| Królikowski, Kazimierz, | Kazimierz Królikowski | Actor | 1882 - 1883 | 3 | |
| Krüger, Hannes | Hannes Krüger | Actor | 1964 | 3 | |
| Kuhlmann, Ulrich | Ulrich Kuhlmann | Actor | 1991 - 2001 | 3 | |
| Kuschel, Babette | Babette Kuschel | Actor | 1995 | 3 | |
| Kittelsen, Agnes Hilden, | Agnes Hilden Kittelsen | Actor | 2007 - 2015 | 3 | |
| Kurmin, Dagmar | Dagmar von Kurmin (Dagmar Kurmin) | Actor | 1966 | 3 | |
| Kühnreich, Christina A. | Christina A. Kühnreich | Actor | 2001 | 3 | |
| Kindelan, Nancy | Nancy Kindelan | Actor, Director | 1968 - 2001 | 3 | |
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