| Kaihua, Markku | Markku Kaihua | Actor | 1981 - 1988 | 2 | |
| Keller, Peter H. | Peter H. Keller | Actor | 1972 - 1987 | 2 | |
| Kane, Whitford | Whitford Kane | Actor, Director | 1928 | 2 | |
| Kytö, Kaarlo | Kaarlo Kytö | Actor | 1928 | 2 | |
| Kolberg, Kåre | Kåre Kolberg | Composer | 1981 - 1997 | 2 | |
| Kristen-von Hopffgarten, Erika | Erika Kristen von Hopffgarten | Actor | 1929 | 2 | |
| Kinch, Miro | Miro Kinch | Designer | 1972 - 1973 | 2 | |
| Kreppel, Herbert | Herbert Kreppel | Director | 1966 - 1972 | 2 | |
| König, Brigitte | Brigitte König | Actor | 1972 - 2013 | 2 | |
| Kammerer, Marcella | Marcella Kammerer | Actor | 1951 - 1952 | 2 | |
| Konečný, K. | K. Konečný | Actor | 1939 - 1940 | 2 | |
| Křiváček, Ladislav | Ladislav Křiváček | Actor | 1972 | 2 | |
| Kopřiva, Ludĕk | Ludĕk Kopřiva | Actor | 1972 | 2 | |
| Kazarska, Stefka | Stefka Kazarska | Actor | 1956 - 1971 | 2 | |
| Knick, Gerhard | Gerhard Knick | Director | 1961 - 1964 | 2 | |
| Kirchhoff, Otti | Otti Kirchhoff | Mask Maker | 1966 - 1977 | 2 | |
| Karlsen, Ivar | Ivar Karlsen | Costume Designer | 1966 - 1983 | 2 | |
| Kindynis, Thomas | Thomas Kindynis | Actor | 1986 - 2013 | 2 | |
| Kuna, Károly | Károly Kuna | Actor | 1983 - 1990 | 2 | |
| Kourmpas, Panagiotis | Panagiotis Kourmpas | Lighting Designer | 1990 - 1994 | 2 | |
| Karagianni, Katerina | Katerina Karagianni | Actor | 1990 - 1991 | 2 | |
| Konstantinov, Konstantin | Konstantin Konstantinov | Actor | 1993 - 2013 | 2 | |
| Krča, Drago | Drago Krča | Actor | 1967 - 1983 | 2 | |
| Krnjaić, Stevo | Stevo Krnjaić | Actor | 1967 - 1983 | 2 | |
| Kennedy, Laurie | Laurie Kennedy | Actor | 1983 - 2016 | 2 | 1 |
| Klein, Tanya | Tanya Klein | Director | 1998 - 2002 | 2 | |
| Köhler, Jiří | Jiří Köhler | Actor | 2004 - 2012 | 2 | |
| Keene, Vivien | Vivien Keene | Actor | 2008 | 2 | |
| Klötzke, Ernst, August | Ernst August Klötzke | Musical Director, Musician | 2008 | 2 | 1 |
| Karner, Markus | Markus Karner | Designer | 2008 - 2010 | 2 | 1 |
| Kairhoum, Zakhia | Zakhia Kairhoum | Adaptation | 2008 - 2010 | 2 | |
| Keune, Tom | Tom Keune | Actor | 2008 | 2 | |
| Kulle, Jarl | Jarl Kulle | Actor | 1950 - 1994 | 2 | 1 |
| Kay, Carol | Carol Kay | Actor | 1972 | 2 | |
| Kvols, Jacob, Madsen | Jacob Madsen Kvols | Actor | 2010 - 2015 | 2 | |
| Körner, Dietrich | Dietrich Körner | Actor | 1983 - 1989 | 2 | 1 |
| Kalmár, Zsuzsa | Zsuzsa Kalmár | Actor | 2011 | 2 | 1 |
| Körmöci, Petronella | Petronella Körmöci | Actor | 2011 | 2 | 1 |
| Kourkoutakis, Jannis | Jannis Kourkoutakis | Designer | 1976 - 1980 | 2 | |
| Keir, Phillip | Phillip Keir | Director, Translator | 1984 | 2 | 1 |
| Kleine, Sven | Sven Kleine | Dramaturg | 2008 - 2013 | 2 | |
| Kaspersen, Jan | Jan Kaspersen | Composer | 1990 - 1996 | 2 | |
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