| Käbisch, Anatol | Anatol Käbisch | Actor | 2017 | 1 | |
| Kreitmeier, Manuel | Manuel Kreitmeier | Director | 2017 | 1 | |
| Kruß, Jochen | Jochen Kruß | Actor | 2017 | 1 | |
| Keo, Tim | Tim Keo | Actor | 2017 | 1 | |
| Kolis, Rachel, Lee | Rachel Lee Kolis | Actor | 2017 | 1 | |
| Kopae, Kali | Kali Kopae | Actor | 2017 - 2019 | 4 | |
| Khalilfar, Bahar | Bahar Khalilfar | Costume Designer | 2017 | 1 | |
| Kleinert, Andreas | Andreas Kleinert | Director | 2016 | 1 | |
| Knight, Steven, Guire | Steven Guire Knight | Actor | 2017 | 1 | |
| Keller, Hannah Mary | Hannah Mary Keller | Actor | 2017 | 1 | |
| Kianfar, Sediqeh | Sediqeh Kianfar | Actor | 1998 - 2017 | 2 | |
| Kniest, Sally | Sally Kniest | Actor | 1978 | 1 | |
| Kumenius, Kristoffer | Kristoffer Kumenius | Actor | 1978 | 1 | |
| Konstantinov, Venzislav | Venzislav Konstantinov | Translator | 1980 | 1 | |
| Kabaktschiev, Ljubomir | Ljubomir Kabaktschiev | Actor | 1980 | 1 | |
| Krause, W. | W. Krause | Actor | 1980 | 1 | |
| Köhlhofer, C. | C. Köhlhofer | Actor | 1980 | 2 | |
| Kanev, Kantscho | Kantscho Kanev | Actor | 1980 | 1 | |
| Kulan, Ertekin | Ertekin Kulan | Lighting Designer | 1960 | 1 | |
| Kaçmaz, Ayten | Ayten Kaçmaz | Actor | 1960 | 1 | |
| Königshoven, Stefan | Stefan Königshoven | Actor | 1981 | 2 | |
| Kilroy, Colette | Colette Kilroy | Actor | 1981 | 1 | |
| Kaufman, Samantha | Samantha Kaufman | Actor | 2015 | 1 | |
| Katranidou, Marilena | Marilena Katranidou | Assistant Director | 2016 - 2017 | 2 | |
| Kanakidou, Eleni | Eleni Kanakidou | Costume Designer, Designer | 2016 - 2017 | 4 | |
| Kyriakou, Eirini | Eirini Kyriakou | Actor | 2016 - 2017 | 2 | |
| Kavvadas, Nikos | Nikos Kavvadas | Actor | 1981 | 10 | |
| Kasaska, Miglena | Miglena Kasaska | Costume Designer, Designer | 1983 | 2 | |
| Kostova, Anna | Anna Kostova | Actor | 1983 | 1 | |
| Kabaivanova, Blagovesta | Blagovesta Kabaivanova | Actor | 1983 | 1 | |
| Konstantarou, Maria | Maria Konstantarou | Adaptation | 1984 | 1 | |
| Kouros, Nikos | Nikos Kouros | Actor | 1984 | 1 | |
| Katevas, Ilias | Ilias Katevas | Actor | 1972 - 1984 | 2 | |
| Kasetani, Shinnichi | Shinnichi Kasetani | Director | 1984 | 1 | |
| Kanetake, Kimiko | Kimiko Kanetake | Actor | 1984 | 1 | |
| Karstedt, Günther | Günther Karstedt | Actor | 1984 | 1 | |
| Körner, Hans-Peter | Hans-Peter Körner | Actor | 1984 | 1 | |
| Karezi, Tzeni | Tzeni Karezi | Actor | 1984 | 1 | |
| Kazakos, Kostas | Kostas Kazakos | Actor | 1984 | 1 | |
| Kreutzer, Frederik | Frederik Kreutzer | Actor | 1878 | 2 | |
| Kux, Bill | Bill Kux | Actor | 2017 | 1 | |
| Krökel, Reinhard | Reinhard Krökel | Actor | 1986 | 1 | |
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