| Kazragyte, Doloresa | Doloresa Kazragyte | Actor | 1998 - 2000 | 4 | |
| Kisfaludy, Eörs | Eörs Kisfaludy | Actor | 1998 - 2000 | 15 | |
| Koch, Sophie | Sophie Koch | Actor | 1998 - 2000 | 3 | |
| Kukulies, Martin | Martin Kukulies | Costume Designer, Designer | 1998 - 2001 | 5 | |
| Koren, Juliane | Juliane Koren | Actor | 1998 - 2001 | 2 | |
| Klimes, Petr | Petr Klimes | Actor | 1998 - 2002 | 2 | |
| Klein, Tanya | Tanya Klein | Director | 1998 - 2002 | 2 | |
| Krause, Georg | Georg Krause | Actor | 1998 - 2003 | 3 | |
| Karijord, Rebekka | Rebekka Karijord | Actor | 1998 - 2005 | 4 | |
| Karoliussen, Håkon | Håkon Karoliussen | Actor | 1998 - 2006 | 2 | 1 |
| Kjennseth, Albert | Albert Kjennseth | Actor | 1998 - 2007 | 16 | |
| Kjennseth, Annfrid | Annfrid Kjennseth | Actor | 1998 - 2007 | 14 | |
| Korn, Harro | Harro Korn | Actor | 1998 - 2008 | 3 | 1 |
| Koen, Mirjam | Mirjam Koen | Adaptation, Director | 1998 - 2009 | 53 | |
| Kumeling, Sabina | Sabina Kumeling | Costume Designer | 1998 - 2009 | 17 | |
| Kaizar, Peter | Peter Kaizar | Composer | 1998 - 2010 | 2 | |
| Krause, Kay | Kay Krause | Actor | 1998 - 2014 | 5 | |
| Kühn, Rainer | Rainer Kühn | Actor | 1998 - 2015 | 3 | |
| Kuijpers, José | José Kuijpers | Actor | 1998 - 2017 | 97 | |
| Kianfar, Sediqeh | Sediqeh Kianfar | Actor | 1998 - 2017 | 2 | |
| Krügel, Tilo | Tilo Krügel | Actor | 1998 - 2018 | 16 | |
| Kališová, Jana | Jana Kališová | Director | 1999 | 1 | |
| Kasincev, Igor | Igor Kasincev | Actor | 1999 | 1 | |
| Kauppinen, Riku | Riku Kauppinen | Lighting Designer, Sound Designer | 1999 | 10 | |
| Kizinkiewicz, Magdalena | Magdalena Kizinkiewicz | Actor | 1999 | 1 | |
| Klang, Oskar | Oskar Klang | Actor | 1999 | 1 | |
| Kline, Joanna | Joanna Kline | Actor | 1999 | 1 | |
| Kurtz, Kristin | Kristin Kurtz | Actor | 1999 | 1 | |
| Kyriacou, Koullis | Koullis Kyriacou | Actor | 1999 | 1 | |
| Keip, Thomas | Thomas Keip | Costume Designer, Designer | 1999 | 2 | |
| Kuhn, Drazen | Drazen Kuhn | Actor | 1999 | 1 | |
| Kuykendall, Saisha | Saisha Kuykendall | Actor | 1999 | 1 | |
| Kierulf, Heidi | Heidi Kierulf | Actor | 1999 | 4 | |
| Kjølberg, Andreas | Andreas Kjølberg | Actor | 1999 | 1 | |
| Kolloen, Silje Kristine | Silje Kristine Kolloen | Actor | 1999 | 2 | |
| Krog, Frank | Frank Krog | Actor | 1999 | 1 | |
| Kaszás, Villő | Villő Kaszás | Actor | 1999 | 2 | |
| Kulíšková, Táňa | Táňa Kulíšková | Actor | 1999 | 1 | 1 |
| Karnasová, Andrea | Andrea Karnasová | Actor | 1999 | 1 | 1 |
| Kilarska, Elżbieta | Elżbieta Kilarska | Actor | 1999 | 1 | |
| Kuta, Magdalena | Magdalena Kuta | Actor | 1999 | 1 | |
| Kaczmarek, Joanna | Joanna Kaczmarek | Actor | 1999 | 1 | |
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