| Kőszegi, Gyula | Gyula Kőszegi | Actor | 1962 | 1 | |
| Kosydar, Isaac | Isaac Kosydar | Actor | 2008 | 1 | |
| Košuta, - | - Košuta | Actor | 1922 | 1 | |
| Kosugi, Yuji | Yuji Kosugi | Actor | 1986 | 1 | |
| Kosugi, Yoshio | Yoshio Kosugi | Actor | 1925 - 1928 | 2 | |
| Kostyuk, Andrey | Andrey Kostyuk | Actor | 2016 | 1 | |
| Kostyleva, G. | G. Kostyleva | Actor | 1983 | 1 | |
| Kostula, H. | H. Kostula | Translator | 1910 | 1 | |
| Kostrzyński, Mateusz | Mateusz Kostrzyński | Actor | 2007 | 3 | |
| Kostrova, Elena | Elena Kostrova | Actor | 2003 - 2005 | 4 | |
| Koštro, Silvana | Silvana Koštro | Actor | 1990 | 1 | |
| Kostřiba, Josef | Josef Kostřiba | Musical Director | 1988 | 1 | |
| Kostovski, Vasko | Vasko Kostovski (Васко Костовски) | Actor | 2012 | 1 | |
| Kostovski, Dragi | Dragi Kostovski | Actor | 1976 | 1 | |
| Kostovski, Branko | Branko Kostovski | Designer, Set Designer | 1957 - 1976 | 3 | |
| Kostovska, Vladanka | Vladanka Kostovska (Владанка Костовска) | Actor | 2012 | 1 | |
| Kostova, Rossiza | Rossiza Kostova | Actor | 1974 - 1978 | 4 | |
| Kostova, Anna | Anna Kostova | Actor | 1983 | 1 | |
| Kostov, Vasil | Vasil Kostov (Васил Костов) | Designer | 1968 | 1 | |
| Kostov, Risto | Risto Kostov (Ристо Костов) | Actor | 1983 | 1 | |
| Kostov, Dušan | Dušan Kostov (Душан Костов) | Actor | 1983 | 1 | |
| Kostov, Dimitar | Dimitar Kostov | Actor | 1976 | 1 | |
| Kostousov, V. | V. Kostousov | Actor | 1987 | 1 | |
| Kostorž, Jurij | Jurij Kostorž | Actor | 1986 - 1990 | 2 | |
| Kostopoulou, Niovi | Niovi Kostopoulou | Actor | 2009 | 2 | |
| Kostopoulos, Nassos | Nassos Kostopoulos | Actor | 2003 | 1 | |
| Kostopoulos, Michalis | Michalis Kostopoulos | Actor | 1984 | 1 | |
| Kostopoulos, Lampros | Lampros Kostopoulos | Director | 1972 - 1989 | 4 | |
| Kostopoulos, Chrysovalantis | Chrysovalantis Kostopoulos (Χρυσοβαλάντης Κωστόπουλος) | Actor | 2023 | 1 | |
| Kostolitz, Stefan | Stefan Kostolitz | Actor | 2010 | 1 | 1 |
| Kostolevskij, Igor | Igor Kostolevskij | Actor | 1999 - 2013 | 2 | |
| Köstlinger, Maria | Maria Köstlinger | Actor | 2005 - 2023 | 6 | 6 |
| Köstlin, Reinhold | Reinhold Köstlin | Actor | 1923 | 1 | |
| Köstlin, Karl | Karl Köstlin | Actor | 1911 - 1928 | 6 | |
| Kostková, Zorka | Zorka Kostková | Actor | 2005 - 2006 | 2 | 1 |
| Kostková, A. | A. Kostková | Actor | 1941 | 1 | |
| Kostka, Petr | Petr Kostka | Actor | 1964 - 2016 | 8 | 1 |
| Kostka, Jiří | Jiří Kostka | Actor | 1942 - 1966 | 3 | |
| Kostka, Ant. | Ant. Kostka | Actor | 1941 | 1 | |
| Kostiv, Jacob | Jacob Kostiv | Actor | 2023 | 1 | |
| Kostina, K. | K. Kostina | Designer | 1918 | 1 | |
| Kostin, K.K. | K.K. Kostin | Designer | 1908 | 1 | |
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