| Kostka, Jiří | Jiří Kostka | Actor | 1942 - 1966 | 3 | |
| Král, Jaroslav | Jaroslav Král | Adaptation, Dramaturg | 1965 - 1993 | 3 | |
| Kóti, Árpád | Árpád Kóti | Actor | 1965 | 3 | |
| Kourkoulos, Nikos | Nikos Kourkoulos | Actor | 1965 - 1979 | 3 | |
| Kontoulis, Giannis | Giannis Kontoulis | Actor | 1964 - 1975 | 3 | |
| Koch, Sebastian | Sebastian Koch | Actor | 1989 | 3 | |
| Kohl, Gertrud | Gertrud Kohl | Actor | 2000 - 2009 | 3 | |
| Kouloumbi, Christina | Christina Kouloumbi | Actor | 2002 | 3 | |
| Koutsoukou, Mairi | Mairi Koutsoukou | Actor | 2002 | 3 | |
| Kanagiou, Lambrini | Lambrini Kanagiou | Actor | 2002 | 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 - 2004 | 3 | |
| Karlsen, Cicci, Jøssund | Cicci Jøssund Karlsen | Actor | 2015 | 3 | |
| Kreibohm, Lydia | Lydia Kreibohm | Actor | 2003 - 2004 | 3 | |
| Krause, Georg | Georg Krause | Actor | 1998 - 2003 | 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 | 1 |
| Kali, Andrea | Andrea Kali | Actor | 2008 | 3 | |
| Kaňka, Vlastimil | Vlastimil Kaňka | Actor | 2013 | 3 | |
| Krausová, Anita | Anita Krausová | Actor | 2009 - 2011 | 3 | |
| Kaminski, Bettina | Bettina Kaminski | Actor | 2003 - 2009 | 3 | |
| Korn, Harro | Harro Korn | Actor | 1998 - 2008 | 3 | 1 |
| Klumpf, Andreas | Andreas Klumpf | Actor | 2004 - 2007 | 3 | |
| Kops, Ilka | Ilka Kops | Costume Designer | 2004 - 2018 | 3 | |
| Kinnunen, Niina | Niina Kinnunen | Actor | 2004 | 3 | |
| Kajnarová, Zuzana | Zuzana Kajnarová | Actor | 2007 - 2008 | 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 | |
| Karásek, Jan | Jan Karásek | Actor | 1989 | 3 | 5 |
| Kreutinger, Nils | Nils Kreutinger | Actor | 2005 - 2019 | 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 | |
|
|
