| Kamran, Ali | Ali Kamran | | | | 1 |
| Kongsro, Rune | Rune Kongsro | | | | 1 |
| Kjellin, Gösta | Gösta Kjellin | | | | 1 |
| Klemsdal, Ole | Ole Klemsdal | | | | 1 |
| Koht, Halvdan | Halvdan Koht | | | | 1 |
| Kirz, Franziska | Franziska Kirz | | | | |
| Kuhlmann, Carl, | Carl Kuhlmann | Actor | 1937 - 1957 | 5 | |
| Karimi, Niki | Niki Karimi | Actor | 1993 | 1 | |
| Kawaji, Hiroshi | Hiroshi Kawaji | Director | 1976 - 1977 | 3 | |
| Kuroda, Yuko | Yuko Kuroda | Costume Designer | 1994 | 1 | |
| King, Dennis, | Dennis King | Actor | 1937 - 1938 | 7 | |
| Kunos, László | László Kúnos | Translator | 1991 - 2019 | 55 | |
| Kajdassy, Ferike | Ferike Kajdassy | Actor | 1941 | 1 | |
| Kovács, Irénke | Irénke Kovács | Actor | 1941 | 1 | |
| Keller, A | A Keller | Actor | 1994 | 1 | |
| Kryzova, N. V., | N. V. Kryzova (N. V. Kryzova) | Actor | 1907 | 1 | |
| Kozina, A, | A Kozina | Actor | 1914 | 1 | |
| Kretisčenko, S., | S. Kretisčenko | Actor | 1914 | 1 | |
| Kiroff, S, | S Kiroff | Actor | 1908 | 1 | |
| Kaiser, Matthias | Matthias Kaiser | Dramaturg | 1990 | 1 | |
| Kirsten, Stefanie | Stefanie Kirsten | Actor | 1990 - 2008 | 2 | |
| Khanlarova, Mehriban | Mehriban Khanlarova | Actor | 2006 | 1 | |
| Kjærulff-Schmidt, Palle, | Palle Kjærulff-Schmidt | Director | 1974 - 2000 | 2 | |
| Krogh, Malene, | Malene Krogh | Actor | 1974 - 2000 | 2 | |
| Kępińska, Elżbieta | Elżbieta Kępińska | Actor | 1962 - 1975 | 2 | |
| Kowalski, Władysław | Władysław Kowalski | Actor | 1972 - 2006 | 9 | |
| Kromminga, Katharina | Katharina Kromminga | Costume Designer | 2002 - 2017 | 8 | |
| Kellner, Berthold | Berthold Kellner | Actor, Director | 1997 - 2001 | 2 | |
| Keller, Achim | Achim Keller | Actor | 1997 | 1 | |
| Kratzel, Corinna | Corinna Kratzel | Actor | 1997 | 1 | |
| Kośnierska, Janina, | Janina Kośnierska | Actor | 1906 | 1 | |
| Klöpfer, Eugen, | Eugen Klöpfer | Actor | 1914 - 1937 | 11 | |
| Kalotai, Teri | Teri Kalotai | Actor | 1928 | 1 | |
| Kato, Masaharu | Masaharu Kato | Director | 1993 | 1 | |
| Kapeljus, Emil, | Emil Kapeljus | Costume Designer, Designer | 2003 - 2006 | 4 | |
| Kucharesin, Valerj, | Valerj Kucharesin | Actor | 2003 - 2006 | 2 | |
| Kessler, Alfred S | Alfred S Kessler | Director | 1976 | 1 | |
| Kalser, Erwin, | Erwin Kalser | Actor, Director | 1914 - 1950 | 9 | |
| Kammerzell, Gertie, | Gertie Kammerzell | Actor | 1934 | 1 | |
| Kovanko, Lilga | Lilga Kovanko | Actor | 1977 - 1978 | 2 | |
| Klintsjeva, Sandra | Sandra Klintsjeva | Costume Designer | 2006 | 1 | |
| Kărkelanov, Georgi | Georgi Kărkelanov | Actor | 2006 | 1 | |
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