| Koenig, Jack | Jack Koenig | Actor | 2013 | 1 | 2 |
| Kerr, Patrick | Patrick Kerr | Actor | 1988 - 2006 | 2 | 2 |
| Kleinschmidt, Irene | Irene Kleinschmidt | Actor | 1995 - 2010 | 8 | 2 |
| Kowski, Sebastian | Sebastian Kowski | Actor | 2010 - 2014 | 2 | 2 |
| Kubes, Petr | Petr Kubes | Actor | 2012 | 1 | 2 |
| Klepáčková, Klára | Klára Klepáčková | Actor | 2012 | 1 | 2 |
| Kubátová, Jana | Jana Kubátová | Actor | 2005 - 2006 | 2 | 2 |
| Krivošeev, Vadim | Vadim Krivošeev | Actor | 2007 | 1 | 2 |
| Kampwirth, Jan-Peter | Jan-Peter Kampwirth | Actor | 2006 - 2015 | 6 | 2 |
| Kukulies, Ronald | Ronald Kukulies | Actor | 2006 - 2012 | 4 | 2 |
| Krisch, Johannes | Johannes Krisch | Actor | 1994 - 2012 | 5 | 2 |
| Kosel, David | David Kosel | Actor | 2009 - 2010 | 5 | 2 |
| Koch, Jens | Jens Koch | Actor | 2010 - 2011 | 12 | 2 |
| Koch, Moritz Nikolaus | Moritz Nikolaus Koch | Actor | 2010 - 2011 | 12 | 2 |
| Kittmann, Jan | Jan Kittmann | Actor | 2010 - 2011 | 12 | 2 |
| Kniploks, Ingus | Ingus Kniploks | Actor | 2010 | 1 | 2 |
| Keane, Aidan | Aidan Keane | Actor | 2012 | 1 | 2 |
| Krzysch, Caspar | Caspar Krzysch | Actor | 2012 | 1 | 2 |
| Kanaga, Chris | Chris Kanaga | Actor | 2012 | 1 | 2 |
| Kajander, Kristin | Kristin Kajander | Actor | 1991 - 2010 | 66 | 3 |
| Kalinowski, Jenna | Jenna Kalinowski | Actor | 2006 | 1 | 3 |
| Kaur, Lavleen | Lavleen Kaur | Actor, Choreographer | 2006 | 54 | 3 |
| Keil, Enrique | Enrique Keil | Actor | 1993 - 2016 | 12 | 3 |
| Knutson, Eric | Eric Knutson | Actor | 2002 - 2005 | 6 | 3 |
| Kuhl, Manja | Manja Kuhl | Actor | 2010 - 2012 | 14 | 3 |
| Kesting, Hans | Hans Kesting | Actor | 2011 - 2021 | 19 | 3 |
| Kokkinn, Anne E. | Anne E. Kokkinn | Actor | 2006 - 2009 | 20 | 3 |
| Kolstad, Andreas | Andreas Kolstad | Actor | 1963 - 2012 | 86 | 3 |
| Küppers, Winfried | Winfried Küppers | Actor | 1983 - 2010 | 8 | 3 |
| Kanev, Lyuben | Lyuben Kanev | Actor | 2011 - 2012 | 6 | 3 |
| Kabasakalova, Elena | Elena Kabasakalova | Actor | 2011 - 2012 | 6 | 3 |
| König, Cristin | Cristin König | Actor | 1994 - 2012 | 4 | 3 |
| Kiss-Végh, Emőke | Emőke Kiss-Végh | Actor, Adaptation | 2009 - 2016 | 7 | 3 |
| König, Miloslav | Miloslav König | Actor | 2010 - 2022 | 6 | 3 |
| Klesse, Thomas | Thomas Klesse | Actor | 2007 | 1 | 3 |
| Kreß, Janine | Janine Kreß | Actor | 1999 - 2012 | 4 | 3 |
| Karg, Verena | Verena Karg | Actor | 2010 | 11 | 3 |
| Krause, Matti | Matti Krause | Actor | 2012 | 1 | 3 |
| Kimmelman, Vladimir | Vladimir Kimmelman | Actor, Producer | 2012 - 2022 | 2 | 3 |
| Karl, Johannes | Johannes Karl | Actor | 2012 | 1 | 3 |
| Klenk, Jochen | Jochen Klenk | | | | 3 |
| Knight, Johnny | Johnny Knight | | | | 3 |
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