| Kouloumbi, Christina | Christina Kouloumbi | Actor | 2002 | 3 | |
| Kouli, Nina | Nina Kouli | Actor | 1962 | 1 | |
| Koula, Kamil | Kamil Koula | Actor | 2002 | 2 | |
| Koukouras, Vasilis | Vasilis Koukouras | Actor | 1989 | 1 | |
| Koukoumas, Georgios | Georgios Koukoumas | Lighting Designer | 2017 | 2 | |
| Koukoulommatis, Michalis | Michalis Koukoulommatis | Actor | 1993 - 2007 | 5 | |
| Koukoulas, Leon | Leon Koukoulas | Translator | 1921 - 2010 | 91 | 1 |
| Koukios, Thymios | Thymios Koukios | Actor | 2012 | 1 | |
| Kouki, Tapio | Tapio Kouki | Actor | 1967 - 1994 | 3 | |
| Koukal, Bohumír | Bohumír Koukal | Actor | 1941 - 1955 | 2 | 1 |
| Kougioumtzis, Mimis | Mimis Kougioumtzis | Director | 1989 | 1 | |
| Kougia, Anda | Anda Kougia (Άντα Κουγιά) | Actor | 2023 | 2 | |
| Kougia, Ada | Ada Kougia | Actor | 2019 | 1 | |
| Koufakis, Nikos | Nikos Koufakis | Actor | 2014 - 2015 | 2 | |
| Koubová, Milena | Milena Koubová | Actor | 1971 | 1 | |
| Koubek, Ferdinand | Ferdinand Koubek | Actor | 1891 | 1 | |
| Kouba, Grace | Grace Kouba | Actor | 2010 | 1 | |
| Kotzur, Sabine | Sabine Kotzur | Actor | 2009 - 2010 | 3 | 1 |
| Kotzias, Dimitris | Dimitris Kotzias | Actor | 1999 | 2 | |
| Kotzé, J. | J. Kotzé | Actor | 1928 | 1 | |
| Kotz, Julius | Julius Kotz | Actor | 1889 | 2 | |
| Kotz, J. | J. Kotz | Actor | 1885 | 1 | |
| Kötz, Franziska | Franziska Kötz | Dramaturg | 1992 - 2006 | 2 | 1 |
| Kotz, E. | E. Kotz | Actor | 1885 | 1 | |
| Kotz, Adam | Adam Kotz | Actor | 2013 - 2015 | 4 | 1 |
| Kotys, Ryszard | Ryszard Kotys | Actor | 1978 | 1 | |
| Kotva, Václav | Václav Kotva | Actor | 1994 - 1997 | 2 | |
| Kotva, Jan | Jan Kotva | Actor | 1972 | 1 | |
| Kottow, Hans | Hans Kottow | Actor, Director | 1906 - 1908 | 3 | |
| Kottmeier, Catharina | Catharina Kottmeier | Actor | 2013 | 1 | |
| Kottmann, Klaus | Klaus Kottmann | Lighting Designer | 2002 - 2007 | 3 | |
| Kottmann, Dany | Dany Kottmann | Actor | 1999 | 1 | |
| Kötteritzsch, Fred | Fred Kötteritzsch | Actor | 1964 | 1 | |
| Kotterba, Horst | Horst Kotterba | Actor | 2004 - 2008 | 5 | |
| Kottenkamp, Walther | Walther Kottenkamp | Actor | 1928 | 1 | 1 |
| Köttel, Heinz | Heinz Köttel | Costume Designer, Designer | 1964 - 1973 | 4 | |
| Kotte, Nina | Nina Kotte | Sound Designer | 1994 | 1 | |
| Kottas, Hanna | Hanna Kottas | Actor | 1974 | 1 | |
| Kott, Jacqueline | Jacqueline Kott | Actor | 1947 | 1 | |
| Kotsovoulou, Alina | Alina Kotsovoulou | Actor | 1994 | 1 | |
| Kotsopoulos, Thanos | Thanos Kotsopoulos | Actor, Director | 1930 - 1979 | 14 | |
| Kotsiris, Lampros | Lampros Kotsiris | Actor | 1988 | 1 | |
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