| Kuznecova, Tat'jana | Tat'jana Kuznecova | Actor | 2005 - 2009 | 5 | 1 |
| Krohn, Georg, | Georg Krohn | Actor | 1864 - 1870 | 6 | 1 |
| Klingenfeld, Emma, | Emma Klingenfeld | Translator | 1876 - 2007 | 57 | 1 |
| Key, Gustaf, | Gustaf Emil Key | Actor | 1876 - 1879 | 7 | 1 |
| Krohn, Lully, | Lully Krohn | Actor | 1885 | 1 | 1 |
| Kainz, Josef, | Josef Kainz | Actor | 1903 - 1910 | 6 | 1 |
| Kvarme, Geir Sundberg, | Geir Sundberg Kvarme | Actor | 1991 - 2019 | 8 | 1 |
| Knudsen, Ole Johan Skjelbred, | Ole Johan Skjelbred Knudsen | Actor | 2003 | 1 | 1 |
| Khan, Shahzad Alsikander, | Shahzad Alsikander Khan | Actor | 2006 | 1 | 1 |
| Kaminski, Bartek, | Bartek Kaminski | Actor | 2009 - 2013 | 3 | 1 |
| Karlsson, Daniel, | Daniel Karlsson | Actor | 2011 - 2016 | 68 | 1 |
| Koolschijn, Hugo | Hugo Koolschijn | Actor | 1973 - 2003 | 39 | 1 |
| Kundler, Andreas | Andreas Kundler | Actor | 2007 - 2016 | 8 | 1 |
| Krepper, Magnus | Magnus Krepper | Actor | 2007 - 2013 | 6 | 1 |
| Kopernikus, Nicolaj | Nicolaj Kopernikus | Actor | 2006 | 2 | 1 |
| Kingdon, James | James Kingdon | Actor | 2007 - 2009 | 3 | 1 |
| Kjeld, Kristbjörg | Kristbjörg Kjeld | Actor | 1962 - 2011 | 4 | 1 |
| Kreismann, Kersti | Kersti Kreismann | Actor | 1978 - 2010 | 6 | 1 |
| Krocheski, Adrienne | Adrienne Krocheski | Actor | 2003 | 1 | 1 |
| Karlberg, Johan | Johan Karlberg | Actor | 2001 - 2013 | 2 | 1 |
| Krejčí, Jaroslav | Jaroslav Krejčí | Actor | 2012 - 2013 | 1 | 1 |
| Klučka, Radovan | Radovan Klučka | Actor | 2010 | 15 | 1 |
| Korn, Harro | Harro Korn | Actor | 1998 - 2008 | 3 | 1 |
| Keller, Andreas | Andreas Keller | Actor | 2004 - 2017 | 18 | 1 |
| Kubátová, Jana | Jana Kubátová | Actor | 2005 - 2007 | 2 | 1 |
| Krantz, Marquam | Marquam Krantz | Actor | 2005 | 1 | 1 |
| Krajnov, Jugoslav | Jugoslav Krajnov | Actor | 2005 | 1 | 1 |
| Kuhl, Adam | Adam Kuhl | Actor | 2006 | 1 | 1 |
| Körner, Ina | Ina Körner | Actor, Mask Maker | 2007 | 2 | 1 |
| Kukulies, Ronald | Ronald Kukulies | Actor | 2006 - 2008 | 4 | 1 |
| Kamula, Toni | Toni Kamula | Actor | 2008 | 6 | 1 |
| Koch, Jens | Jens Koch | Actor | 2010 - 2011 | 12 | 1 |
| Koch, Moritz Nikolaus | Moritz Nikolaus Koch | Actor | 2010 - 2011 | 12 | 1 |
| Klein, Nicole | Nicole Klein | Actor | 2010 | 1 | 1 |
| Koppe, Jon-Kaare | Jon-Kaare Koppe | Actor | 2009 - 2010 | 4 | 1 |
| Kolb, Eve | Eve Kolb | Actor | 2010 - 2011 | 1 | 1 |
| Keane, Aidan | Aidan Keane | Actor | 2012 | 1 | 1 |
| Kittel, Marianne | Marianne Kittel | Actor | 2011 | 2 | 1 |
| Keskin, Ferhat | Ferhat Keskin | Actor | 2012 | 1 | 1 |
| Kanaga, Chris | Chris Kanaga | Actor | 2012 | 1 | 1 |
| Kunkel, David | David Kunkel | Actor | 2011 | 1 | 1 |
| Kartas, Damianos | Damianos Kartas | | | | 1 |
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