| Karinen, Ingolf | Ingolf Karinen (Ingolf Karinen) | Actor | 1997 - 2013 | 86 | 1 |
| Kalsås, Kim | Kim Kalsås (Kim Kalsås) | Actor | 1978 - 2014 | 67 | 1 |
| Knudsen, Ole Johan Skjelbred | Ole Johan Skjelbred Knudsen (Ole Johan Skjelbred Knudsen) | Actor | 2003 | 1 | 1 |
| Khan, Shiraz | Shiraz Khan (Shiraz Khan) | Actor | 2006 | 1 | 1 |
| Kelly, Renee | Renee Kelly (Renee Kelly) | Actor | 1911 | 1 | 1 |
| Kihle, Mimi | Mimi Kihle | Actor | 1927 - 1929 | 43 | 1 |
| Kavanaugh, Richard | Richard Kavanaugh | Actor | 1975 - 1983 | 3 | 1 |
| Kállai, Ferenc | Ferenc Kállai | Actor | 1974 - 1991 | 3 | 1 |
| Karge, Manfred | Manfred Karge | Actor, Adaptation, Director | 1973 - 1994 | 5 | 1 |
| Koolschijn, Hugo | Hugo Koolschijn (Hugo Koolschijn) | Actor | 1973 - 2003 | 39 | 1 |
| Karlsson, Jon | Jon Karlsson | Actor | 2006 | 2 | 1 |
| Keresztes, Tamás | Tamás Keresztes | Actor | 2007 - 2019 | 9 | 1 |
| Kammer, Friederike | Friederike Kammer | Actor | 2003 - 2007 | 6 | 1 |
| Kahiluoto, Atro | Atro Kahiluoto | Adaptation, Director | 1995 - 2008 | 6 | 1 |
| Kellogg, Marjorie Bradley | Marjorie Bradley Kellogg | Designer | 1981 - 1990 | 2 | 1 |
| Kundler, Andreas | Andreas Kundler | Actor | 2007 - 2016 | 8 | 1 |
| Krepper, Magnus | Magnus Krepper | Actor | 2007 - 2012 | 6 | 1 |
| Kopernikus, Nicolaj | Nicolaj Kopernikus | Actor | 2006 | 2 | 1 |
| Keller, Inge | Inge Keller | Actor | 1975 - 1989 | 5 | 1 |
| Kallergis, Lykourgos | Lykourgos Kallergis | Actor, Director | 1939 - 1990 | 38 | 1 |
| Kamper, Thomas | Thomas Kamper | Actor | 1981 - 2008 | 12 | 1 |
| Kaalø, Sten | Sten Kaalø | Translator | 1981 | 1 | 1 |
| Kahn, Micheline | Micheline Kahn | Actor | 1981 - 2005 | 12 | 1 |
| Keller, Jan | Jan Keller | Director | 1956 | 1 | 1 |
| Katz, Leon | Leon Katz | Adaptation, Dramaturg, Translator | 1983 | 3 | 1 |
| Kennedy, Laurie | Laurie Kennedy | Actor | 1983 - 2016 | 2 | 1 |
| Kauppi, Lo | Lo Kauppi | Actor | 1998 | 1 | 1 |
| Kingdon, James | James Kingdon | Actor | 2007 - 2021 | 4 | 1 |
| Karner, Markus | Markus Karner | Designer | 2008 - 2010 | 2 | 1 |
| Kapelonis, Kostis | Kostis Kapelonis | Director | 2002 - 2010 | 7 | 1 |
| Kalmár, Zsuzsa | Zsuzsa Kalmár | Actor | 2011 | 2 | 1 |
| Kassar, Ayez | Ayez Kassar | Actor | 2011 | 1 | 1 |
| Kaas, Nikolaj, Lie | Nikolaj Lie Kaas | Actor | 2001 | 1 | 1 |
| Keir, Phillip | Phillip Keir | Director, Translator | 1984 | 2 | 1 |
| Kárová, Darina | Darina Kárová | Adaptation, Dramaturg | 1985 | 2 | 1 |
| Karajan, Isabel | Isabel Karajan | Actor | 1985 | 1 | 1 |
| Kavanagh, John | John Kavanagh | Actor | 1984 - 2011 | 3 | 1 |
| Kammer, Nancy-Elizabeth | Nancy-Elizabeth Kammer | Actor | 1990 | 1 | 1 |
| Kelly, David | David Kelly | Actor | 1989 - 1990 | 3 | 1 |
| Keeler, Dana | Dana Keeler | Actor | 1982 - 1990 | 2 | 1 |
| Kiefel, Russell | Russell Kiefel | Actor | 1988 - 1989 | 2 | 1 |
| Kjeld, Kristbjörg | Kristbjörg Kjeld | Actor | 1962 - 2011 | 4 | 1 |
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