| Kiran, Stein | Stein Kiran (Stein Kiran) | Actor | 1994 - 2019 | 7 | |
| Kydland, Anne Jorunn | Anne Jorunn Kydland (Anne Jorunn Kydland) | Actor, Costume Designer, Designer, Director, Sound Designer | 1978 - 2013 | 7 | |
| Krogsrud, Dagfinn | Dagfinn Krogsrud (Dagfinn Krogsrud) | Actor | 1995 - 2007 | 7 | |
| Kjorstad, Guro | Guro Kjorstad (Guro Kjorstad) | Actor | 2001 - 2007 | 7 | |
| Kroken, Asbjørn | Asbjørn Kroken (Asbjørn Kroken) | Actor | 2005 - 2007 | 7 | |
| Kramer, Vagn | Vagn Kramer (Vagn Kramer) | Actor | 1914 - 2003 | 7 | |
| Kerr, Jarvis | Jarvis Kerr | Actor | 1926 - 1927 | 7 | |
| Kafkaridis, Stelios | Stelios Kafkaridis | Actor | 1974 | 7 | |
| Karantinos, Sokratis | Sokratis Karantinos | Director | 1974 | 7 | |
| Kröger, Ruth Marie | Ruth Marie Kröger | Actor | 2000 - 2007 | 7 | |
| Keidser, Willy | Willy Keidser | Actor | 1949 - 1976 | 7 | |
| Klinger, Charlotte | Charlotte Klinger | Actor | 1960 - 1982 | 7 | |
| Koutrakis, Stratos | Stratos Koutrakis | Lighting Designer | 1988 - 2006 | 7 | |
| Kesten, Peter | Peter Kesten | Director | 2008 - 2009 | 7 | |
| Kapelonis, Kostis | Kostis Kapelonis | Director | 2002 - 2010 | 7 | 1 |
| Konakchiiska, Veselina | Veselina Konakchiiska | Actor | 2010 - 2012 | 7 | 6 |
| Karow, Reinhard | Reinhard Karow | Actor | 1985 - 2002 | 7 | |
| Kristensen, Jeppe | Jeppe Kristensen | Director | 2014 - 2016 | 7 | |
| Krug, Ines | Ines Krug | Actor | 1991 - 2006 | 7 | |
| Kuhn, Hans Peter | Hans Peter Kuhn | Composer, Sound Designer | 1991 - 1993 | 7 | |
| Kern, Georges | Georges Kern | Actor | 1988 | 7 | |
| Kinge, Hans Jakob | Hans Jakob Kinge | Actor | 1953 - 2006 | 7 | |
| Kouwenhoven, Annet | Annet Kouwenhoven | Actor | 1988 - 2000 | 7 | |
| Kerpel, Roger Van | Roger Van Kerpel | Actor | 1992 - 2001 | 7 | |
| Korte, Hans | Hans Korte | Actor, Director | 1960 - 1988 | 7 | |
| Kampschulte, Peter | Peter Kampschulte | Actor | 1991 | 7 | |
| Kézdy, György | György Kézdy | Actor | 1965 - 1999 | 7 | 1 |
| Kyrgia, Eri | Eri Kyrgia | Adaptation, Dramaturg, Translator | 2012 - 2020 | 7 | |
| Komárek, Tomáš | Tomáš Komárek | Actor | 1993 - 1997 | 7 | |
| Krumbein, Kathrin | Kathrin Krumbein | Actor, Costume Designer, Designer | 1994 - 2006 | 7 | |
| Kinzel, Erwin | Erwin Kinzel | Actor | 1996 | 7 | |
| Kaupert, Cornelia | Cornelia Kaupert | Actor | 1995 | 7 | |
| Kastler, Heide | Heide Kastler | Costume Designer | 2003 - 2014 | 7 | 1 |
| Kirchner, Alfred | Alfred Kirchner | Designer, Director | 1977 - 2013 | 7 | |
| Kovács, Károly | Károly Kovács | Actor | 1924 - 1964 | 7 | |
| Katseli-Mazaraki, Aleka | Aleka Katseli-Mazaraki | Actor | 1943 - 1985 | 7 | |
| Kaderk, Manfred | Manfred Kaderk | Designer | 1999 - 2018 | 7 | |
| Kendrick Smith, Lucy | Lucy Kendrick Smith | Actor | 2002 | 7 | |
| Kézdi, Imola | Imola Kézdi | Actor | 2012 - 2017 | 7 | 1 |
| Kandel, Paul | Paul Kandel | Actor | 1989 | 7 | |
| Kirby, Barbara | Barbara Kirby | Actor | 2003 | 7 | |
| Kraft, Iris | Iris Kraft | Costume Designer, Designer | 2003 - 2009 | 7 | |
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