| Koehler, Scott | Scott Koehler | Actor, Musician | 2012 - 2018 | 80 | |
| Kothari, Pratik | Pratik Kothari | Actor | 2014 | 1 | |
| Kanetkar, Darshan | Darshan Kanetkar | Actor | 2014 | 1 | |
| Kashyap, Vijay | Vijay Kashyap | Actor, Designer | 2010 - 2018 | 17 | |
| Kleinke, Dirk | Dirk Kleinke | Actor | 2014 | 2 | |
| Kennedy, Ashley York | Ashley York Kennedy | Lighting Designer | 1994 - 1995 | 2 | |
| Kaye, Colin | Colin Kaye | Actor | 1994 | 1 | |
| Koschwitz, Andrea | Andrea Koschwitz | Adaptation, Dramaturg | 1994 - 2010 | 12 | |
| Kubus, Renate | Renate Kubus | Actor | 1982 | 1 | |
| Knabl, Nikolaus | Nikolaus Knabl | Sound Designer | 2014 - 2016 | 3 | |
| Kohn, Karl Christian | Karl Christian Kohn | Actor | 1982 | 1 | |
| Krüger, Detlof | Detlof Krüger | Actor | 1982 | 1 | |
| Kaiser, Karin | Karin Kaiser | Actor | 1967 - 1982 | 2 | |
| Kuorikoski, Tuulikki | Tuulikki Kuorikoski | Actor | 1982 | 1 | |
| Kokkonen-Valve, Pirkko | Pirkko Kokkonen-Valve | Actor | 1982 | 1 | |
| Kani, John | John Kani | Actor | 1994 | 1 | |
| Kilburger, Hans Joachim | Hans Joachim Kilburger | Actor | 1976 - 1982 | 3 | |
| Kühnen, Maria | Maria Kühnen | Actor | 1971 - 1982 | 3 | |
| Karallus, Thomas | Thomas Karallus | Actor | 1982 | 1 | |
| Klusen, Ernst A. | Ernst A. Klusen | Director | 1982 | 1 | |
| Kenny, Sian | Sian Kenny | Actor | 1982 - 1983 | 4 | |
| Katsiadaki, Maria | Maria Katsiadaki | Actor | 1994 | 1 | |
| Karazisis, Akylas | Akylas Karazisis | Actor | 1994 - 2015 | 3 | |
| Kapodistria, Natalia | Natalia Kapodistria | Actor | 1994 | 1 | |
| Koumentakis, Giorgos | Giorgos Koumentakis | Composer | 1994 | 1 | |
| Kosse, Grit | Grit Kosse | Mask Maker | 1994 | 1 | |
| Kleinert, Franziska | Franziska Kleinert | Actor | 1994 | 1 | |
| Keskinen, Usko | Usko Keskinen | Actor | 1994 | 1 | |
| Kouki, Tapio | Tapio Kouki | Actor | 1967 - 1994 | 3 | |
| Kanto, Maija | Maija Kanto | Mask Maker | 1994 | 1 | |
| Kyllönen, Jukka | Jukka Kyllönen | Lighting Designer | 1994 | 1 | |
| Karlsson, Bert | Bert Karlsson | Sound Designer | 1994 | 1 | |
| Kordes, Heidrun | Heidrun Kordes | Actor | 1982 - 1994 | 2 | |
| Katiël, Daisy | Daisy Katiël | Actor | 1994 | 1 | |
| Kooijman, Willy | Willy Kooijman | Actor | 1994 | 1 | |
| Kaethner, Sigrun | Sigrun Kaethner | Actor | 1982 - 1998 | 3 | |
| Krause, Rainer | Rainer Krause | Actor | 1982 - 2014 | 8 | |
| Kaetzler, Johannes | Johannes Kaetzler | Actor, Director | 1982 | 2 | |
| Kullander, Berit | Berit Kullander | Actor | 1982 - 1984 | 52 | |
| Koch, Eckehard | Eckehard Koch | Actor | 1982 | 1 | |
| Kalin, M. | M. Kalin | Actor | 1982 | 1 | |
| Kleinert, Kerstin | Kerstin Kleinert | Actor | 1994 | 1 | |
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