| 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 | |
| Kaszewska, Kinga | Kinga Kaszewska | Actor | 1999 | 5 | |
| Kruglova, Natal'ja | Natal'ja Kruglova | Actor | 1999 | 1 | |
| Kloss, Heinz | Heinz Kloss | Actor | 1999 | 1 | |
| Katz, Joachim | Joachim Katz | Actor | 1999 | 1 | |
| Krause, Karl-Heinz | Karl-Heinz Krause | Actor | 1999 | 4 | |
| Kaiser, Wolfgang | Wolfgang Kaiser | Actor | 1999 | 4 | |
| Kramer, Karsten | Karsten Kramer | Actor | 1999 | 3 | |
| König, Elke | Elke König | Actor | 1999 | 1 | |
| Kenderdine, Muriel | Muriel Kenderdine | Actor | 1999 | 1 | |
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