| Kingsley, Mira | Mira Kingsley | Actor | 2002 | 1 | |
| Kohl, Gertrud | Gertrud Kohl | Actor | 2000 - 2009 | 3 | |
| Kistner, Georg | Georg Kistner | Dramaturg | 2002 | 1 | |
| Kránitz, Lajos | Lajos Kránitz | Actor | 2002 | 1 | |
| Kraushaar, Marie | Marie Kraushaar | Actor | 2002 | 1 | |
| Karl, Kristina | Kristina Karl | Actor | 2002 | 1 | |
| Kindred, Graham | Graham Kindred | Lighting Designer | 2001 - 2002 | 4 | |
| Klahr, Paul | Paul Klahr | Actor | 1901 | 1 | |
| Kucheran, Tamara Marie | Tamara Marie Kucheran | Costume Designer, Designer | 2002 | 2 | |
| Kajo, Irene | Irene Kajo | Actor | 2002 | 1 | |
| Kaila, Ilari | Ilari Kaila | Actor | 2002 | 1 | |
| Kuorikoski, Sorja | Sorja Kuorikoski | Costume Designer | 2002 | 1 | |
| Kopp, Dave | Dave Kopp | Actor | 2002 | 9 | |
| Kerr, Mary | Mary Kerr | Costume Designer | 2002 | 1 | |
| Krüger, Fabian | Fabian Krüger | Actor | 2002 | 1 | |
| Klaußner, Burghart | Burghart Klaußner | Actor, Director | 2002 - 2013 | 2 | |
| Kulagin, L. | L. Kulagin | Actor | 2002 | 1 | |
| Kiupel, Beate | Beate Kiupel | Actor | 1986 - 2002 | 4 | |
| Ketelhut, Oskar | Oskar Ketelhut | Actor | 2002 | 1 | |
| Kittner, Elsa | Elsa Kittner | Actor | 1890 | 1 | |
| Ketchedjiev, Valentin | Valentin Ketchedjiev | Actor | 2002 | 21 | |
| Keller, Tibert | Tibert Keller | Actor | 2002 | 4 | |
| Kessel, Jonna | Jonna Kessel | Designer | 2002 - 2004 | 2 | |
| Kepinski, Marek | Marek Kepinski | Actor | 2002 | 1 | |
| Kuziemska, Krystyna | Krystyna Kuziemska | Designer | 2002 | 1 | |
| Körbel, Hans-Georg | Hans-Georg Körbel | Actor | 2000 - 2002 | 2 | |
| Klinkner, Philipp | Philipp Klinkner | Actor | 2002 | 1 | |
| Kiernan, Elizabeth | Elizabeth Kiernan | Actor | 2002 | 1 | |
| Karan, Amara | Amara Karan | Actor | 2002 | 1 | |
| Kabak, Jonathan | Jonathan Kabak | Lighting Designer | 2002 | 1 | |
| Kaufmann, Jan | Jan Kaufmann | Actor | 2002 | 1 | |
| Klostermeier, Anneli | Anneli Klostermeier | Dramaturg | 2002 | 1 | |
| Kley, Sebastian | Sebastian Kley | Actor | 2002 | 1 | |
| Knutson, Tom | Tom Knutson | Actor | 2002 | 1 | |
| Kramer, Rob | Rob Kramer | Director | 2002 | 1 | |
| Kielblock, Lieschen | Lieschen Kielblock | Actor | 1905 | 1 | |
| Knirsch, Annemarie | Annemarie Knirsch | Actor | 1989 | 1 | |
| König, Gerda | Gerda König | Actor | 1989 | 1 | |
| Keuler, Elizabeth | Elizabeth Keuler | Actor | 2002 | 1 | |
| Kaufmann, Martina | Martina Kaufmann | Actor | 2002 | 1 | |
| Kaul, Hans | Hans Kaul | Composer | 2002 - 2008 | 2 | |
| Kelly, David Patrick | David Patrick Kelly | Actor | 2002 - 2025 | 3 | |
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