| Klamburg, Dani | Dani Klamburg | Actor, Composer | 2006 | 14 | |
| Klambatsa, Nansy | Nansy Klambatsa | Actor | 2013 | 1 | |
| Klamar, Natalie | Natalie Klamar | Actor | 2020 - 2023 | 2 | |
| Klam, Walter | Walter Klam | Actor | 1937 - 1966 | 3 | |
| Klakegg, Rune | Rune Klakegg | Musician | 2008 | 2 | |
| Klainer, Sergio | Sergio Klainer | Actor | 1980 - 1994 | 2 | |
| Klahr, Paul | Paul Klahr | Actor | 1901 | 1 | |
| Klafstad, Ingebjørg | Ingebjørg Klafstad | Actor | 1901 | 1 | |
| Klafft, Hugo | Hugo Klafft | Actor, Director | 1925 - 1931 | 4 | 1 |
| Klaffke, Jakob, Johannes | Jakob Johannes Klaffke | Actor | 1993 | 1 | |
| Klaers, Michael | Michael Klaers | Lighting Designer | 1999 - 2010 | 2 | |
| Klaer, Richard | Richard Klaer | Actor | 1966 | 1 | |
| Klaer, Adele | Adele Klaer | Actor | 1906 - 1907 | 3 | |
| Kladivová, Irena | Irena Kladivová | Dancer | 1941 | 2 | |
| Klaasen, Lina | Lina Klaasen | Actor | 1914 | 1 | |
| Kjulev, Ivan | Ivan Kjulev (Иван Кюлев) | Designer | 1923 | 1 | |
| Kjøs, Sara | Sara Kjøs | Actor | 2002 | 2 | |
| Kjøs, Peder | Peder Kjøs | Actor | 2019 | 1 | |
| Kjørven, Martha | Martha Kjørven | Actor | 2002 - 2003 | 3 | |
| Kjørren, Rune | Rune Kjørren | Musician | 2006 | 1 | 1 |
| Kjølvik, John | John Kjølvik | | | | 8 |
| Kjølberg, Andreas | Andreas Kjølberg | Actor | 1999 | 1 | |
| Kjølaas, Gerd | Gerd Kjølaas | Choreographer | 1948 - 1949 | 7 | 1 |
| Kjøge, Kristine | Kristine Kjøge | Actor | 2012 | 1 | |
| Kjostarov, Dimitar | Dimitar Kjostarov | Director | 1957 - 1977 | 2 | |
| Kjösness, Olaf | Olaf Kjösness | Actor | 1931 | 1 | |
| Kjosås, Frank | Frank Kjosås | Actor | 2006 - 2015 | 4 | |
| Kjos, Marius | Marius Kjos | Choreographer | 2008 | 2 | 1 |
| Kjos, Liv Marie Zevenbergen | Liv Marie Zevenbergen Kjos | Lighting Designer | 2013 | 1 | |
| Kjorstad, Ola | Ola Kjorstad | Actor | 2001 - 2005 | 5 | |
| Kjorstad, Jostein | Jostein Kjorstad | Actor | 2018 | 1 | |
| Kjorstad, Hans | Hans Kjorstad | Actor | 2009 - 2013 | 4 | |
| Kjorstad, Guro | Guro Kjorstad | Actor | 2001 - 2007 | 7 | |
| Kjorstad, Eivind | Eivind Kjorstad | Actor | 2000 - 2007 | 4 | |
| Kjölaas, Hans | Hans Kjölaas | Actor | 1957 | 1 | |
| Kjetås, Solfrid | Solfrid Kjetås | Costume Designer, Designer | 2011 - 2012 | 36 | 1 |
| Kjerulf, Halfdan | Halfdan Kjerulf | Composer | 1879 - 1925 | 3 | |
| Kjertmann, Hr. | Hr. Kjertmann | Actor | 1883 | 1 | |
| Kjerstad, Per | Per Kjerstad | Actor | 2006 - 2008 | 8 | 2 |
| Kjerstad, Morten | Morten Kjerstad | Adaptation, Dramaturg, Sound Designer | 2009 - 2019 | 38 | 1 |
| Kjerstad, Morten | Morten Kjerstad | Dramaturg | 2019 | 1 | |
| Kjersem, Irina | Irina Kjersem | Costume Designer | 2004 | 1 | |
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