| Kwiatkiewicz, Władysław, | Władysław Kwiatkiewicz | Actor | 1903 - 1910 | 4 | |
| Kwieciński, Lucjan, | Lucjan Kwieciński | Actor | 1883 - 1888 | 2 | |
| Kwok-lam, Char | Char Kwok-lam | Actor | 2001 | 1 | |
| Kyhn, Grete | Grete Kyhn | Actor | 1959 - 1960 | 2 | |
| Kyriacou, Koullis | Koullis Kyriacou | Actor | 1999 | 1 | |
| Kyser, Karl, | Karl Kyser | Actor | 1921 - 1932 | 8 | |
| Kahl, Franziska | Franziska Kahl | Actor | 2004 | 1 | |
| Kuwata, Takashi, | Takashi Kuwata | Actor | 2005 - 2013 | 14 | |
| Krasoo, Aleksandra | Aleksandra Krasoo | Actor | 1970 | 1 | |
| Korber, Tamara | Tamara Korber | Actor | 1997 | 1 | |
| Kaiser, Florian | Florian Kaiser | Actor | 1997 | 1 | |
| Kralj, Petar | Petar Kralj | Actor | 1975 | 1 | |
| Káldi, Nóra | Nóra Káldi | Actor | 1974 - 1986 | 2 | |
| Koenen, Michael | Michael Koenen | Actor | 2007 | 2 | |
| Küpferle, Franziska | Franziska Küpferle | Actor | 1983 - 2000 | 2 | |
| Kjellgren, Johan, | Johan Kjellgren | Actor | 1995 - 2007 | 6 | |
| Kikuchi, Yuichi | Yuichi Kikuchi | Actor | 1984 | 1 | |
| Kusaka, Yumi | Yumi Kusaka | Actor | 2000 | 1 | |
| Kodama, Taiji | Taiji Kodama | Actor | 1978 - 2003 | 6 | |
| Kwiecińska, Paulina, | Paulina Kwiecińska | Actor | 1899 | 1 | |
| Komlósi, I., | I. Komlósi | Actor | 1889 | 1 | |
| Kindmark, Klara | Klara Kindmark | Actor | 2007 | 1 | |
| Kittelsen, Agnes Hilden, | Agnes Hilden Kittelsen | Actor | 2007 - 2015 | 3 | |
| Krohn, Frida, | Frida Krohn | Actor | 1901 | 1 | |
| Kankainen, Timo | Timo Kankainen | Actor | 1980 | 1 | |
| Kukkola, Tapani | Tapani Kukkola | Actor | 2002 | 1 | |
| Kurmin, Dagmar | Dagmar von Kurmin (Dagmar Kurmin) | Actor | 1966 - 2003 | 3 | |
| Kravčenko, V. | V. Kravčenko | Actor | 1999 - 2000 | 2 | |
| Kabanova, L. | L. Kabanova | Actor | 1999 - 2000 | 2 | |
| Kozák, J. | J. Kozák | Actor | 1944 | 1 | |
| Koene, Antoine | Antoine Koene | Actor | 1984 | 1 | |
| Kerr, Ali | Ali Kerr | Actor | 2008 | 1 | |
| Kelly, Fernanda | Fernanda Kelly | Actor | 2007 | 1 | |
| Kalnarāja, Ināra | Ināra Kalnarāja | Actor | 1974 | 1 | |
| Kuplais, Jānis | Jānis Kuplais | Actor | 1974 | 1 | |
| Kasparová, M. | M. Kasparová | Actor | 1936 | 1 | |
| Kretzer, Fred | Fred Kretzer | Actor | 1970 - 1990 | 6 | |
| Kawakami, Natsuyo | Natsuyo Kawakami | Actor | 1978 | 2 | |
| Krosigk, Friederike v. | Friederike v. Krosigk | Actor | 2002 - 2003 | 2 | |
| Kühnreich, Christina A. | Christina A. Kühnreich | Actor | 2001 - 2013 | 3 | |
| Kressmann, Thomas | Thomas Kressmann | Actor | 1992 | 1 | |
| Klenk, Thomas | Thomas Klenk | Actor | 1989 - 2011 | 10 | 1 |
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