| Kubo, Tadahiro | Tadahiro Kubo | Actor | 1999 | 1 | |
| Kantz, Yossi | Yossi Kantz | Actor | 1999 | 1 | |
| Kricheli, Roman | Roman Kricheli | Actor | 1999 | 1 | |
| Kricheli, Simon | Simon Kricheli | Actor | 1999 | 1 | |
| Katayama, Mayumi | Mayumi Katayama | Actor | 1999 | 1 | |
| Kasai, Hiroko | Hiroko Kasai | Actor | 1999 | 1 | |
| Klooren, Marko | Marko Klooren | Actor | 1999 | 1 | |
| Kappes, Simon | Simon Kappes | Actor | 1999 | 1 | |
| Katt, Carmen | Carmen Katt | Actor | 1999 | 1 | |
| Kitzing, Tina | Tina Kitzing | Costume Designer, Designer | 1999 | 2 | |
| Kostić, Deana | Deana Kostić | Actor | 1999 | 1 | |
| Krämer, Susanne | Susanne Krämer | Actor | 1999 | 2 | |
| Kraus, Marion | Marion Kraus | Actor | 1999 | 4 | |
| Kunze, Ulrike | Ulrike Kunze | Costume Designer, Designer | 1999 | 2 | |
| Klöhn, André | André Klöhn | Actor | 1999 | 3 | |
| Kättner, Christine | Christine Kättner | Actor | 1999 | 2 | |
| Kurecki, Beate | Beate Kurecki | Actor | 1999 | 2 | |
| Kalina, Sigrid | Sigrid Kalina | Actor | 1999 | 1 | |
| Kakari, Shuhei | Shuhei Kakari | Sound Designer | 1999 | 1 | |
| Kindinov, Evgeny | Evgeny Kindinov | Actor | 1999 | 1 | |
| Karpekina, Tatjana | Tatjana Karpekina | Actor | 1999 | 1 | 1 |
| Kokurina, Larisa | Larisa Kokurina | Actor | 1999 | 1 | 1 |
| Kazakov, Sergej | Sergej Kazakov | Actor | 1999 | 1 | 1 |
| Kopyto, Erica | Erica Kopyto | Actor | 1999 | 2 | |
| Kokotailo, Lori | Lori Kokotailo | Actor | 1999 | 1 | |
| Knezevich, Steven | Steven Knezevich | Musician | 1999 | 1 | |
| Kristen, Siegfried | Siegfried Kristen | Actor | 1999 | 1 | |
| Kiss, László Felhőfi | László Felhőfi Kiss | Designer, Director | 1999 | 2 | |
| Keil, - | - Keil | Actor | 1999 | 1 | |
| Kabash, Sallie | Sallie Kabash | Actor | 1999 | 1 | |
| Krügel, Tilo | Tilo Krügel | Actor | 1998 - 2018 | 16 | |
| Kuijpers, José | José Kuijpers | Actor | 1998 - 2017 | 97 | |
| Kianfar, Sediqeh | Sediqeh Kianfar | Actor | 1998 - 2017 | 2 | |
| Kühn, Rainer | Rainer Kühn | Actor | 1998 - 2015 | 3 | |
| Krause, Kay | Kay Krause | Actor | 1998 - 2014 | 5 | |
| Kaizar, Peter | Peter Kaizar | Composer | 1998 - 2010 | 2 | |
| Koen, Mirjam | Mirjam Koen | Adaptation, Director | 1998 - 2009 | 53 | |
| Kumeling, Sabina | Sabina Kumeling | Costume Designer | 1998 - 2009 | 17 | |
| Korn, Harro | Harro Korn | Actor | 1998 - 2008 | 3 | 1 |
| Kjennseth, Albert | Albert Kjennseth | Actor | 1998 - 2007 | 16 | |
| Kjennseth, Annfrid | Annfrid Kjennseth | Actor | 1998 - 2007 | 14 | |
| Karoliussen, Håkon | Håkon Karoliussen | Actor | 1998 - 2006 | 2 | 1 |
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