| Kanic, Marko, Iversen | Marko Iversen Kanic | Actor | 2017 - 2018 | 2 | |
| Kuehner, Jody | Jody Kuehner | Actor, Adaptation | 2017 | 2 | |
| Kelly, Reade | Reade Kelly | Actor | 2017 | 1 | |
| Kemp, Kevin | Kevin Kemp | Actor | 2017 | 1 | |
| Keir, Kalen | Kalen Keir | Sound Designer | 2017 | 1 | |
| Karlsen, Per | Per Karlsen | Mask Maker | 1976 - 1979 | 2 | |
| Kettunen, Arne | Arne Kettunen | Actor | 1976 - 1978 | 2 | |
| Knudtzon, Kristin, Thesen | Kristin Thesen Knudtzon | Actor | 1976 | 1 | |
| Koppel, Einari | Einari Koppel | Actor | 1976 | 1 | |
| Kettner, Gisela | Gisela Kettner | Actor | 1976 | 2 | |
| Keiding, Anders | Anders Keiding | Composer | 1976 | 1 | |
| Knorr, Marianne | Marianne Knorr | Actor | 1976 | 1 | |
| Köksal, Yusuf | Yusuf Köksal (Yusuf Koksal) | Actor | 2012 | 1 | |
| Kraft, Martine | Martine Kraft | Actor, Composer | 2006 - 2012 | 6 | |
| Klein, Manuel | Manuel Klein | Actor | 2015 - 2017 | 28 | |
| Kayan, Sabih | Sabih Kayan | Costume Designer, Designer | 1956 | 2 | |
| Kurtoğlu, Haluk | Haluk Kurtoğlu | Actor | 1956 | 1 | |
| Kind, Richard | Richard Kind | Actor | 2014 | 1 | |
| Krabbe, Barbara | Barbara Krabbe | Actor | 1976 | 1 | |
| Kann, Pelle, Nordhøj | Pelle Nordhøj Kann | Actor, Director | 2015 - 2018 | 7 | |
| Korsbæk, Nadia, Nabil | Nadia Nabil Korsbæk | Designer | 2013 | 1 | |
| Kold, Laura | Laura Kold | Actor | 2014 | 1 | |
| Keene, James | James Keene | Actor | 2017 | 1 | |
| Knight-Adams, Marcus | Marcus Knight-Adams | Costume Designer | 2016 | 1 | |
| Karaca, Ali | Ali Karaca | Actor | 2017 | 1 | |
| Kılınç, Sinem | Sinem Kılınç (Sinem Kilinc) | Costume Designer | 2017 | 1 | |
| Kochanovsky, Zafrir | Zafrir Kochanovsky | Actor | 1977 | 1 | |
| Kean, Marie | Marie Kean | Actor | 1977 | 1 | |
| Kain, Christine | Christine Kain | Actor | 1977 | 5 | |
| Kerky, Dietrich | Dietrich Kerky | Actor | 1977 | 5 | |
| Kilsti, Inger-Helen | Inger-Helen Kilsti | Actor, Producer | 2017 | 2 | |
| Kopf, Berthold | Berthold Kopf | Actor | 1977 | 1 | |
| Klimkiewicz, Barbara | Barbara Klimkiewicz | Actor | 1977 | 1 | |
| Komorowska, Maja | Maja Komorowska | Actor | 1977 | 1 | |
| Kłosiński, Janusz | Janusz Kłosiński | Actor | 1977 | 1 | |
| Korf, Kerry, Lee | Kerry Lee Korf | Actor | 1977 | 1 | |
| Kjostarov, Dimitar | Dimitar Kjostarov | Director | 1957 - 1977 | 2 | |
| Kunz, Hildegard | Hildegard Kunz | Actor | 1977 | 1 | |
| Keating, Kevin, Sean | Kevin Sean Keating | Lighting Designer | 1977 | 1 | |
| Kneeland, Richard | Richard Kneeland | Actor | 1977 | 1 | |
| Kropp, Joachim | Joachim Kropp | Dramaturg | 1977 | 1 | |
| Kuonen, Sebastian | Sebastian Kuonen | Actor | 2017 | 1 | |
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