| Kokko, Emilia | Emilia Kokko | Actor | 2012 | 1 | |
| Kokko-Saukkonen, Leena | Leena Kokko-Saukkonen | Actor | 1999 - 2008 | 8 | 1 |
| Kokkinou, Mavroula | Mavroula Kokkinou | Actor | 1911 - 1912 | 4 | |
| Kokkinos, N. | N. Kokkinos | Actor | 1911 - 1912 | 4 | |
| Kokkinn, Anne Marit | Anne Marit Kokkinn | Actor | 1993 - 1994 | 2 | |
| Kokkinn, Anne E. | Anne E. Kokkinn | Actor | 2006 - 2009 | 20 | 3 |
| Kokkinen, Anna-Maija | Anna-Maija Kokkinen | Actor | 1978 | 1 | |
| Kokkin, Janne | Janne Kokkin | Actor | 1987 - 2017 | 11 | 1 |
| Kokkin, Anne Elisabeth | Anne Elisabeth Kokkin | Actor | 1986 | 1 | |
| Kokkali, Sophia | Sophia Kokkali | Actor | 2020 | 1 | |
| Kokkali, Korina | Korina Kokkali | Choreographer | 2019 | 1 | |
| Kokkakis, Kostas | Kostas Kokkakis | Actor | 1972 - 1990 | 4 | |
| Kökert, Alexander | Alexander Kökert | Actor | 1902 - 1938 | 12 | |
| Kökényessy, Ági | Ági Kökényessy | Actor | 1988 | 1 | |
| Koken, Guru | Guru Koken | Actor | 2012 | 1 | |
| Kokejl, Franta | Franta Kokejl | Actor | 1973 | 1 | |
| Kokamägi, Epp-Maria | Epp-Maria Kokamägi | Costume Designer, Designer | 1989 | 2 | |
| Kokalis, Augusts | Augusts Kokalis | Actor | 1909 - 1914 | 3 | |
| Kojuri, Parsa | Parsa Kojuri | Actor | 2019 | 1 | |
| Kojundzic, Joana | Joana Kojundzic | Actor | 2018 | 1 | |
| Kojro, Dominika | Dominika Kojro | Actor | 2010 | 1 | |
| Kojima, Yumiko | Yumiko Kojima | Actor | 1996 - 1997 | 2 | |
| Kojabaseva, Ilijana | Ilijana Kojabaseva | Actor | 2018 | 1 | |
| Koizumi, Shiei | Shiei Koizumi | Actor | 1913 | 1 | |
| Koizumi, Kuniko | Kuniko Koizumi | Actor | 1991 | 1 | |
| Koivunen, Paula | Paula Koivunen | Designer | 2008 | 1 | 1 |
| Koivukangas, Kari | Kari Koivukangas | Actor | 1998 | 1 | |
| Koivu, Neil | Neil Koivu | Lighting Designer | 2011 - 2019 | 2 | |
| Koivu, Liisa | Liisa Koivu | Actor | 2005 | 2 | |
| Koivisto, Terhi | Terhi Koivisto | Costume Designer | 2004 | 1 | |
| Koiner, Josh | Josh Koiner | Actor | 2017 | 1 | |
| Koike, Minori | Minori Koike | Lighting Designer | 2016 | 1 | |
| Koik, Külli | Külli Koik | Actor | 1997 | 1 | 1 |
| Koht, Thorvald | Thorvald Koht | Actor, Director | 1907 - 1938 | 25 | |
| Koht, Kate | Kate Koht | Actor | 1928 | 1 | |
| Koht, Halvdan | Halvdan Koht | | | | 1 |
| Koht, Fritzie | Fritzie Koht | Actor | 1936 - 1939 | 3 | |
| Koht, Bjarne | Bjarne Koht | Actor | 1934 - 1961 | 10 | |
| Koht, Aagot | Aagot Koht | Actor | 1928 | 1 | |
| Kohse, Irma | Irma Kohse | Actor | 1926 | 1 | |
| Kohrt, Niklas | Niklas Kohrt | Actor | 2017 | 1 | |
| Köhrer, Eva | Eva Köhrer | Actor | 1966 | 1 | |
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