| Kaminski, Bettina | Bettina Kaminski | Actor | 2003 - 2009 | 3 | |
| Krmíčková, Ivana | Ivana Krmíčková | Actor | 2010 | 1 | |
| Kraus, Adam | Adam Kraus | Actor | 2010 | 2 | |
| Krejsová, Klára | Klára Krejsová | Actor | 2010 | 4 | |
| Kostrova, Elena | Elena Kostrova | Actor | 2003 - 2005 | 4 | |
| Kovtun, Georgij | Georgij Kovtun | Adaptation, Choreographer, Director | 2003 - 2013 | 9 | |
| Kinská, Martina | Martina Kinská | Dramaturg | 2010 | 1 | |
| Krauss, Emera Felice | Emera Felice Krauss | Actor | 2003 | 1 | |
| Krupanská, Sylvie | Sylvie Krupanská | Actor | 2009 - 2012 | 7 | |
| Krūmiņa, Līva | Līva Krūmiņa | Actor | 2004 | 1 | |
| Karge, Henning | Henning Karge | Actor | 2004 | 1 | |
| Knopper, Michael | Michael Knopper | Actor | 2004 | 1 | |
| Knopper, Georg | Georg Knopper | Actor | 2004 | 1 | |
| Katholnig, Luka | Luka Katholnig | Actor | 2004 | 1 | |
| Krassnig, Gerold | Gerold Krassnig | Actor | 2004 | 1 | |
| Krassnitzer, Erich | Erich Krassnitzer | Actor | 2004 | 1 | |
| Krammer, Dieter | Dieter Krammer | Actor | 2004 | 1 | |
| Klestilová, Iva | Iva Klestilová | Dramaturg | 2009 | 2 | |
| Knuts, Johan | Johan Knuts | Actor | 2004 | 9 | |
| Karingal, Donato | Donato Karingal | Lighting Designer | 2004 | 1 | |
| Kongsbach, Jonas | Jonas Kongsbach | Lighting Designer | 2004 | 1 | |
| Kämmerer, Jan | Jan Kämmerer | Actor | 2004 | 1 | |
| Kajdanski, Tomasz | Tomasz Kajdanski | Adaptation, Choreographer | 2004 | 4 | |
| Kuikka, Santeri | Santeri Kuikka | Actor | 2004 | 1 | |
| Kaufmannová, Barbora | Barbora Kaufmannová | Actor | 2008 | 1 | |
| Kleptsin, Aleksei | Aleksei Kleptsin | Composer | 2004 | 1 | |
| Khalema, Johannah | Johannah Khalema | Actor | 2004 | 1 | |
| Klumpf, Andreas | Andreas Klumpf | Actor | 2004 - 2007 | 3 | |
| Kops, Ilka | Ilka Kops | Costume Designer | 2004 - 2018 | 3 | |
| Kypta, Tomáš | Tomáš Kypta | Costume Designer | 2008 | 2 | |
| Kalužný, Jiří | Jiří Kalužný | Actor | 2000 - 2008 | 7 | |
| Karhapää, Maria | Maria Karhapää | Actor | 2004 | 1 | |
| Kähönen, Henri | Henri Kähönen | Actor | 2004 | 1 | |
| Koivisto, Terhi | Terhi Koivisto | Costume Designer | 2004 | 1 | |
| Kelly, Joseph | Joseph Kelly | Actor | 2004 | 1 | |
| Kennedy, Cora | Cora Kennedy | Actor | 2004 | 1 | |
| Klimczak, Kristian | Kristian Klimczak | Actor | 2004 | 2 | |
| Ketsios, George | George Ketsios | Actor | 2004 | 1 | |
| Kotala, Anne | Anne Kotala | Costume Designer | 2004 | 1 | |
| Kyselák, Jiří | Jiří Kyselák | Adaptation, Director | 2007 | 2 | |
| Kornitzer, Alice | Alice Kornitzer | Actor | 2004 - 2008 | 18 | |
| Kaufmann, Deborah | Deborah Kaufmann | Actor | 2004 - 2008 | 18 | |
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