| Kingman, Henry, S. | Henry S. Kingman | Actor | 1940 | 2 | |
| Kelley, Elsie | Elsie Kelley | Actor | 1940 | 2 | |
| Kelly, Frances | Frances Kelly | Actor | 1940 | 2 | |
| Kingbay, Kay | Kay Kingbay | Actor | 1940 | 2 | |
| Kuchle, Albert | Albert Kuchle | Actor | 1902 | 2 | |
| Krayer, Sophie | Sophie Krayer | Costume Designer, Designer | 2017 | 2 | |
| Katzin, Richard | Richard Katzin | Actor | 1942 | 2 | |
| Keller, Kurt | Kurt Keller | Actor | 1903 | 2 | |
| Kovács , Nikolett | Nikolett Kovács | Actor | 2014 | 2 | |
| Kiley, Richard | Richard Kiley | Actor | 1977 | 2 | |
| Kleppek, Bartholomäus , Martin | Bartholomäus Martin Kleppek | Costume Designer, Designer | 2014 | 2 | |
| Knudsen, Lennart, Nordløf | Lennart Nordløf Knudsen | Conductor | 1945 | 2 | |
| Kinda , Szilárd | Szilárd Kinda | Actor | 2013 | 2 | |
| Kovács , Levente | Levente Kovács | Actor | 2013 | 2 | |
| Karp, György | György Karp | Actor | 2013 | 2 | |
| Kirsch, Otto | Otto Kirsch | Actor | 1896 | 2 | |
| Kersten, Patricia | Patricia Kersten | Actor | 1946 | 2 | |
| Krasnowiecki, Władysław | Władysław Krasnowiecki | Actor | 1920 | 2 | |
| Klawa, Laonte | Laonte Klawa | Designer | 1971 | 2 | |
| Kerba, Raymond | Raymond Kerba | Actor, Director | 1948 | 2 | |
| Kenyon, Sandy | Sandy Kenyon | Actor | 1949 | 2 | |
| Koller, Seline | Seline Koller | Actor | 1907 | 2 | |
| Krassowski, Feliks | Feliks Krassowski | Designer | 1922 | 2 | |
| Koyuncuoğlu, Emre | Emre Koyuncuoğlu | Director, Translator | 2012 - 2013 | 2 | |
| Kragstad, Petter | Petter Kragstad | Conductor | 2013 - 2014 | 2 | |
| Kostadinov, Kalin | Kalin Kostadinov | Actor | 2015 - 2016 | 2 | |
| Kratz, Monika | Monika Kratz | Costume Designer | 1971 | 2 | |
| Karagiorgis, Klearchos | Klearchos Karagiorgis | Director | 1971 - 1972 | 2 | |
| Kanic, Marko, Iversen | Marko Iversen Kanic | Actor | 2017 - 2018 | 2 | |
| Kuehner, Jody | Jody Kuehner | Actor, Adaptation | 2017 | 2 | |
| Karlsen, Per | Per Karlsen | Mask Maker | 1976 | 2 | |
| Kettunen, Arne | Arne Kettunen | Actor | 1976 | 2 | |
| Kettner, Gisela | Gisela Kettner | Actor | 1976 | 2 | |
| Kayan, Sabih | Sabih Kayan (Sabih Kayan) | Costume Designer, Designer | 1956 | 2 | |
| Kilsti, Inger-Helen | Inger-Helen Kilsti | Actor, Producer | 2017 | 2 | |
| Klenskaja, Maria | Maria Klenskaja | Actor | 1978 | 2 | |
| Kim, Randall, Duk | Randall Duk Kim | Actor | 1978 - 2019 | 2 | |
| Kato, Go | Go Kato | Actor | 1978 | 2 | |
| Kullberg, Frk. | Frk. Kullberg | Actor | 1878 | 2 | |
| Kleinert, Andreas | Andreas Kleinert | Director | 2016 | 2 | |
| Kianfar, Sediqeh | Sediqeh Kianfar | Actor | 1998 - 2017 | 2 | |
| Köhlhofer, C. | C. Köhlhofer | Actor | 1980 | 2 | |
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