| Köhler, Jiří | Jiří Köhler | Actor | 2004 - 2012 | 2 | |
| Keene, Vivien | Vivien Keene | Actor | 2008 | 2 | |
| Klötzke, Ernst, August | Ernst August Klötzke | Musical Director, Musician | 2008 | 2 | 1 |
| Karner, Markus | Markus Karner | Designer | 2008 - 2010 | 2 | 1 |
| Kairhoum, Zakhia | Zakhia Kairhoum | Adaptation | 2008 - 2010 | 2 | |
| Keune, Tom | Tom Keune | Actor | 2008 | 2 | |
| Kulle, Jarl | Jarl Kulle | Actor | 1950 - 1994 | 2 | 1 |
| Kay, Carol | Carol Kay | Actor | 1972 | 2 | |
| Kvols, Jacob, Madsen | Jacob Madsen Kvols | Actor | 2010 - 2015 | 2 | |
| Körner, Dietrich | Dietrich Körner | Actor | 1983 - 1989 | 2 | 1 |
| Kalmár, Zsuzsa | Zsuzsa Kalmár | Actor | 2011 | 2 | 1 |
| Körmöci, Petronella | Petronella Körmöci | Actor | 2011 | 2 | 1 |
| Kourkoutakis, Jannis | Jannis Kourkoutakis | Designer | 1976 - 1980 | 2 | |
| Keir, Phillip | Phillip Keir | Director, Translator | 1984 | 2 | 1 |
| Kleine, Sven | Sven Kleine | Dramaturg | 2008 - 2013 | 2 | |
| Kaspersen, Jan | Jan Kaspersen | Composer | 1990 - 1996 | 2 | |
| Kalavritinos, Othon | Othon Kalavritinos | Actor | 2013 | 2 | |
| Koberg, Roland | Roland Koberg | Adaptation, Dramaturg | 2013 | 2 | 1 |
| Kupfer, Eva | Eva Kupfer | Actor | 1901 | 2 | |
| Kreutzfeldt, Malte | Malte Kreutzfeldt | Designer, Director | 2013 | 2 | |
| Kárason, Árni | Árni Kárason | Actor | 1978 | 2 | |
| Krause, Hans-Henrik | Hans-Henrik Krause | Actor | 1950 - 1985 | 2 | |
| Kirschbaum, Peter | Peter Kirschbaum | Actor | 1911 | 2 | |
| Koch, Knut | Knut Koch | Actor | 1964 - 1985 | 2 | |
| Kater, Loes | Loes Kater | Costume Designer, Designer | 1985 | 2 | |
| Karas, Karel | Karel Karas | Actor | 1985 | 2 | |
| Kárová, Darina | Darina Kárová | Adaptation, Dramaturg | 1985 | 2 | 1 |
| Keegan, Shelagh | Shelagh Keegan | Designer | 1986 | 2 | |
| Kwoll, Werner | Werner Kwoll | Actor | 1985 - 2008 | 2 | |
| Kurt, Stefan | Stefan Kurt | Actor | 1985 - 2005 | 2 | 1 |
| Kujawski, Igor | Igor Kujawski | Actor | 1986 - 2010 | 2 | |
| König, Nina | Nina König | Mask Maker | 2014 - 2015 | 2 | |
| Kalogeropoulos, Nikos | Nikos Kalogeropoulos | Actor | 1984 - 1985 | 2 | |
| Koci, Josef | Josef Koci | Actor | 1982 - 1987 | 2 | |
| Križaj, Franci | Franci Križaj | Director | 1970 - 1986 | 2 | |
| Kidd, Stephen | Stephen Kidd | Actor | 1987 | 2 | |
| Kaftan, Bernd | Bernd Kaftan | Actor | 1987 - 1996 | 2 | |
| Kammer, Nancy-Elizabeth | Nancy-Elizabeth Kammer | Actor | 1990 - 2019 | 2 | 1 |
| Keeler, Dana | Dana Keeler | Actor | 1982 - 1990 | 2 | 1 |
| Klein, Katrin | Katrin Klein | Actor | 1990 - 1997 | 2 | 1 |
| Karanth, B.V. | B.V. Karanth | Composer | 1995 | 2 | |
| Knecht, Günter | Günter Knecht | Actor | 1987 - 1999 | 2 | |
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