| Kohl, Gertrud | Gertrud Kohl | Actor | 2000 – 2009 | 3 | |
| Kouloumbi, Christina | Christina Kouloumbi | Actor | 2002 – 2003 | 3 | |
| Koutsoukou, Mairi | Mairi Koutsoukou | Actor | 2002 – 2003 | 3 | |
| Kanagiou, Lambrini | Lambrini Kanagiou | Actor | 2002 – 2003 | 3 | |
| Kunc, Marek | Marek Kunc | Actor | 2002 | 3 | |
| Kühnel, Tom | Tom Kühnel | Director | 1997 – 2015 | 3 | |
| Koppmann, Angelika | Angelika Koppmann | Actor | 2003 | 3 | |
| Kunze, Julia | Julia Kunze | Actor | 2003 | 3 | |
| Korink, Petra | Petra Korink | Designer | 2003 – 2005 | 3 | |
| Karlsen, Cicci, Jøssund | Cicci Jøssund Karlsen | Actor | 2015 | 3 | |
| Kreibohm, Lydia | Lydia Kreibohm | Actor | 2003 – 2004 | 3 | |
| Krause, Georg | Georg Krause | Actor | 1998 – 2004 | 3 | |
| Kveli, Sigmund | Sigmund Kveli | Actor | 1989 | 3 | |
| Kania, Grazyna | Grazyna Kania | Director | 2003 – 2007 | 3 | |
| Keogan, Paul | Paul Keogan | Adaptation, Lighting Designer | 2003 | 3 | |
| Kali, Andrea | Andrea Kali | Actor | 2008 | 3 | |
| Kaňka, Vlastimil | Vlastimil Kaňka | Actor | 2013 | 3 | |
| Krausová, Anita | Anita Krausová | Actor | 2009 – 2010 | 3 | |
| Kaminski, Bettina | Bettina Kaminski | Actor | 2003 – 2010 | 3 | |
| Korn, Harro | Harro Korn | Actor | 1998 – 2008 | 3 | 1 |
| Klumpf, Andreas | Andreas Klumpf | Actor | 2004 – 2008 | 3 | |
| Kops, Ilka | Ilka Kops | Costume Designer | 2004 – 2011 | 3 | |
| Kinnunen, Niina | Niina Kinnunen | Actor | 2004 | 3 | |
| Kyselák, Jiří | Jiří Kyselák | Adaptation, Director | 2007 – 2008 | 3 | |
| Kajnarová, Zuzana | Zuzana Kajnarová | Actor | 2007 – 2009 | 3 | |
| Khachik, Therese | Therese Khachik | Actor | 2004 | 3 | |
| Kalland, Ingvild | Ingvild Kalland | Actor | 2004 | 3 | |
| Karchadakis, Christos | Christos Karchadakis | Translator | 2004 – 2005 | 3 | |
| Kraja, Vesa | Vesa Kraja | Costume Designer | 2013 – 2015 | 3 | |
| Kreutinger, Nils | Nils Kreutinger | Actor | 2005 | 3 | |
| Kallio, Anu | Anu Kallio | Actor | 2005 | 3 | |
| Kinasewich, Orest | Orest Kinasewich | Actor | 1962 – 2001 | 3 | |
| Kulhánek, Rudolf | Rudolf Kulhánek | Actor | 1933 | 3 | |
| Keczek, Karina | Karina Keczek | Actor | 2001 | 3 | |
| Klootwijk, Ruud | Ruud Klootwijk | Actor, Designer, Producer | 2005 | 3 | |
| Kupiec, Mirosław | Mirosław Kupiec | Actor | 2007 | 3 | |
| Kostrzyński, Mateusz | Mateusz Kostrzyński | Actor | 2007 | 3 | |
| Kościuk, Michał | Michał Kościuk | Actor | 2006 – 2008 | 3 | |
| Kałużyński, Marek | Marek Kałużyński | Actor | 2006 – 2008 | 3 | |
| Kubalski , Tadeusz | Tadeusz Kubalski | Actor, Director | 1955 | 3 | |
| Kumer Ghosh, Sunil | Sunil Kumer Ghosh | Translator | 2006 | 3 | |
| Kumer Sarkar, Taposh | Taposh Kumer Sarkar | Actor | 2006 | 3 | |
|
|
