| Koroleva, Lina A. | Lina A. Koroleva | Actor | 1912 | 3 | |
| Kontogiannis, Konstantinos | Konstantinos Kontogiannis | Actor | 1912 | 3 | |
| Knudssøn, Rolf | Rolf Knudssøn | Actor | 1916 - 1926 | 3 | |
| Kalniņš, Rodrigo | Rodrigo Kalniņš | Actor | 1917 - 1921 | 3 | |
| Kvēps, Konrāds | Konrāds Kvēps | Actor | 1917 - 1937 | 3 | |
| Kåge, Ivar | Ivar Kåge | Actor | 1920 - 1927 | 3 | |
| Kamburova, Dobrinka | Dobrinka Kamburova | Actor | 1912 - 1921 | 3 | |
| Knudsen, Kaare | Kaare Knudsen | Actor | 1921 - 1942 | 3 | |
| Künemund, Günter | Günter Künemund | Actor | 1959 - 1990 | 3 | |
| Kellermann, Werner | Werner Kellermann | Mask Maker | 1975 - 1984 | 3 | |
| Kavanaugh, Richard | Richard Kavanaugh | Actor | 1975 - 1983 | 3 | 1 |
| Kállai, Ferenc | Ferenc Kállai | Actor | 1974 - 1991 | 3 | 1 |
| Kordziński, Roman | Roman Kordziński | Director | 1968 - 1971 | 3 | |
| Konuschlieva, Rajna | Rajna Konuschlieva | Translator | 1977 - 1983 | 3 | |
| Kiss, Irén | Irén Kiss | Actor | 1928 | 3 | |
| Krogh, Arne | Arne Krogh | Actor | 1928 - 1935 | 3 | |
| König, Wilhelm | Wilhelm König | Actor | 1960 - 1973 | 3 | |
| Kroese, Gerhard | Gerhard Kroese | Mask Maker | 1992 - 1995 | 3 | |
| Kiszkis, Jerzy | Jerzy Kiszkis | Actor | 1992 - 2001 | 3 | |
| Kolak, Dorota | Dorota Kolak | Actor | 1992 - 2001 | 3 | |
| Kolding, Mette | Mette Kolding | Actor | 1999 - 2000 | 3 | |
| Korn, Werner | Werner Korn | Actor | 1964 - 1977 | 3 | |
| Koch, Uwe-Karsten | Uwe-Karsten Koch | Actor | 1968 - 1974 | 3 | 1 |
| Košnerová, Antonie | Antonie Košnerová | Actor | 1912 - 1926 | 3 | |
| Koonen, Alisa | Alisa Koonen | Actor | 1912 - 1958 | 3 | |
| Karnil, Eddie | Eddie Karnil | Actor | 1978 - 1984 | 3 | |
| Kastro, Kaiti | Kaiti Kastro | Translator | 1978 | 3 | |
| Kühn, Bernhard | Bernhard Kühn | Actor | 1894 - 1901 | 3 | |
| Krasov, Nikolai | Nikolai Krasov | Actor | 1899 - 1905 | 3 | 6 |
| Kaiser, Paul | Paul Kaiser | Actor | 1893 - 1906 | 3 | |
| Krämer, Anfried | Anfried Krämer | Actor | 1961 - 1977 | 3 | |
| Kuntzsch, Joachim | Joachim Kuntzsch | Musician | 1975 - 1990 | 3 | |
| Kramer, Katrin | Katrin Kramer | Dramaturg | 2013 - 2014 | 3 | 1 |
| Kyrou, Giannis | Giannis Kyrou | Costume Designer, Designer | 1977 - 1979 | 3 | |
| Koch, Freddy | Freddy Koch | Actor | 1953 - 1978 | 3 | |
| Kroll, Horst | Horst Kroll | Actor | 1971 - 1979 | 3 | |
| Kitzesch, Jenny | Jenny Kitzesch | Actor | 1968 - 1991 | 3 | |
| Kanew, Lubomir | Lubomir Kanew | Actor, Dancer | 1981 - 1991 | 3 | |
| Kornbeck, Ellen | Ellen Kornbeck | Actor | 1913 | 3 | |
| Kromann, Einar | Einar Kromann | Actor | 1913 | 3 | |
| Kovaleff, Jyrki | Jyrki Kovaleff | Actor | 1981 | 3 | |
| Könemund, Hans | Hans Könemund | Costume Designer, Designer | 1961 - 1968 | 3 | |
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