| Koschel, Uwe | Uwe Koschel | Actor | 1956 | 1 | |
| Koschel, Uta | Uta Koschel | Actor | 1991 - 1993 | 2 | |
| Kosch, Emma | Emma Kosch | Actor | 1918 - 1919 | 3 | |
| Košata, Zdeněk | Zdeněk Košata | Actor | 1993 | 1 | |
| Kosari, Jahangir | Jahangir Kosari | Producer | 2014 | 1 | |
| Kosari, Fariba | Fariba Kosari | Actor | 2006 | 1 | |
| Kosaki, Yoshika | Yoshika Kosaki | Actor | 1934 | 1 | |
| Košak, Vinko | Vinko Košak | Translator | 1928 - 1929 | 2 | |
| Kósa, Béla | Béla Kósa | Actor | 2005 | 2 | |
| Kos, Slavica | Slavica Kos | Actor | 1933 | 1 | |
| Kos, Boštjan | Boštjan Kos | Lighting Designer | 2014 - 2015 | 2 | |
| Kos, Albert | Albert Kos | Director | 1982 | 1 | |
| Korzeniewska, Józefa | Józefa Korzeniewska | Actor | 1908 | 1 | |
| Korzan, Andrej | Andrej Korzan | Actor | 2017 | 1 | |
| Korycka, Danuta | Danuta Korycka | Actor | 1972 | 1 | |
| Korwinowa, Paulina | Paulina Korwinowa | Actor | 1887 | 1 | |
| Korwinóvna, - | - Korwinóvna | Actor | 1903 | 1 | |
| Korwin, Lidia | Lidia Korwin | Actor | 1975 | 1 | |
| Korv, Ants | Ants Korv | Actor | 1962 | 2 | |
| Korun, Mile | Mile Korun | Director | 1993 | 1 | |
| Korun, Janja | Janja Korun | Costume Designer, Designer | 1992 - 1994 | 4 | |
| Koruga, Igor | Igor Koruga | Choreographer | 2021 | 1 | |
| Korty, Sonia | Sonia Korty | Choreographer | 1942 | 1 | |
| Körtvélyessy, Zsolt | Zsolt Körtvélyessy | Actor | 1967 - 1991 | 2 | |
| Körtvélyessy, Thomas | Thomas Körtvélyessy | Actor | 1999 | 1 | |
| Kortner, Fritz | Fritz Kortner | Actor, Adaptation, Director | 1923 - 1964 | 9 | 2 |
| Korth, Walter | Walter Korth | Actor | 1909 - 1931 | 6 | |
| Korth, Michael | Michael Korth | Musical Director | 2015 | 1 | |
| Korteweg, Carine | Carine Korteweg | Actor | 1996 - 1997 | 11 | |
| Korterink, Thea | Thea Korterink | Actor | 1978 - 1982 | 2 | |
| Kortenrayx, Miek | Miek Kortenrayx | Actor | 1954 | 1 | |
| Kortekaas, Niek | Niek Kortekaas | Costume Designer, Designer, Lighting Designer | 1992 - 1998 | 8 | |
| Korte, Hans | Hans Korte | Actor, Director | 1960 - 1988 | 7 | |
| Korte, Christine | Christine Korte | Actor | 2007 - 2009 | 2 | 5 |
| Kort, Kathleen | Kathleen Kort | Lighting Designer | 2005 | 1 | |
| Korsunovas, Oskaras | Oskaras Korsunovas | Director | 2012 | 1 | 1 |
| Korstad, Ruth | Ruth Korstad | Actor, Dancer | 1989 - 2004 | 25 | |
| Korstad, Magne | Magne Korstad | Actor, Dancer | 1989 - 2004 | 24 | |
| Korstad, Liv Jorunn | Liv Jorunn Korstad | Actor | 1994 - 2001 | 9 | |
| Korsnes, Iris | Iris Korsnes | Actor | 2009 - 2010 | 3 | |
| Korsholm, Gisela | Gisela Korsholm | Actor | 1952 - 1954 | 2 | |
| Korsgaard, Poul | Poul Korsgaard | Actor | 1990 | 1 | |
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