| Kelly, Trudy, | Trudy Kelly | Actor | 1972 - 1985 | 4 | |
| Kühn, Thomas | Thomas Kühn | Actor | 1994 | 1 | |
| Knabl, Rudolf G. | Rudolf G. Knabl | Composer | 1981 - 2010 | 7 | |
| Klevins, Judy L. | Judy L. Klevins | Actor | 1966 | 1 | |
| Kreidemann, Franz, | Franz Kreidemann | Actor | 1902 - 1931 | 22 | |
| Kemps, Niek | Niek Kemps | Costume Designer, Designer | 1979 | 2 | |
| Kishi, Teruko | Teruko Kishi | Actor | 1925 - 1938 | 4 | |
| Koppel, Tina | Tina Koppel | Director | 2003 | 1 | |
| Kashiyama, Fumie | Fumie Kashiyama | Actor | 1986 - 2002 | 2 | |
| Kosugi, Yuji | Yuji Kosugi | Actor | 1986 | 1 | |
| Krauß, Thomas | Thomas Krauß | Director, Translator | 2000 - 2007 | 6 | |
| Křízková, Jarmila | Jarmila Křízková | Costume Designer, Designer | 1998 | 2 | |
| Kuhn, Drazen | Drazen Kuhn | Actor | 1999 | 1 | |
| Kayßler, Friedrich, | Friedrich Kayßler | Actor | 1898 - 1914 | 26 | |
| Kneiß, Ludwig, | Ludwig Kneiß | Actor | 1916 | 4 | |
| Kies-Györkey, Andrea | Andrea Kies-Györkey | Actor | 1973 | 1 | |
| Kies-Györkey, Wolfram | Wolfram Kies-Györkey | Actor | 1973 | 1 | |
| Koppenhöfer, Bodo Issel | Bodo Issel Koppenhöfer | Actor | 1972 | 1 | |
| Krönke, Max, | Max Krönke | Actor | 1989 | 1 | |
| Kühn, Nikolaus | Nikolaus Kühn | Actor | 2004 - 2005 | 1 | |
| Konšelová, Naďa | Naďa Konšelová | Actor | 1954 | 1 | |
| Kotapis, J. | J. Kotapis | Actor | 1955 | 1 | |
| Kocsis, Árpád | Árpád Kocsis | Designer | 1960 | 1 | |
| Keczer, András | András Keczer | Actor | 1965 | 1 | |
| Kolárová, Růzena, | Růzena Kolárová | Actor | 1897 - 1914 | 8 | |
| Kolár, Frantisek, | Frantisek Kolár | Actor, Director | 1878 - 1891 | 6 | |
| Krūmiņa, Olga | Olga Krūmiņa | Actor | 1950 | 1 | |
| Kellerd , John E., | John E. Kellerd (John E. Kellerd) | Actor | 1904 | 1 | |
| Kingsley, Ariel , | Ariel Kingsley | Actor | 1904 | 1 | |
| Khokon, Nasirul Haque | Nasirul Haque Khokon | Lighting Designer | 2001 | 2 | |
| Kibenick, Henry, | Henry Kibenick | Actor | 1888 - 1902 | 7 | |
| Karim, Mesbaul | Mesbaul Karim | Actor | 2000 - 2008 | 8 | |
| Kibria, Golam | Golam Kibria | Actor | 2001 | 2 | |
| Kolev, Svetoslav | Svetoslav Kolev | Translator | 1994 - 2008 | 4 | |
| Klotz, Florence | Florence Klotz | Costume Designer | 1982 | 1 | |
| Kruszewski, Antoni, | Antoni Kruszewski | Actor | 1885 - 1887 | 2 | |
| Kelly, -, | - Kelly | Actor | 1891 | 1 | |
| Kimbrough, Mary Jane | Mary Jane Kimbrough | Actor | 1971 | 1 | |
| Kellegher, Tina | Tina Kellegher | Actor | 2000 | 1 | |
| Kelly, Sarah | Sarah Kelly | Actor, Dancer | 2000 - 2004 | 2 | |
| Kristiansen, Hilde B., | Hilde B. Kristiansen (Hilde B. Kristiansen) | Actor | 1995 | 1 | |
| Kirschenstein, Ch. | Ch. Kirschenstein | Translator | 1957 | 1 | |
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