| Kellerd, John E. | John E. Kellerd (John E. Kellerd) | Actor | 1904 | 1 | 1 |
| Kuznecova, Tat'jana | Tat'jana Kuznecova (Tat'jana Kuznecova) | Actor | 2005 - 2008 | 5 | 1 |
| Kara, Tunde | Tünde Kara (Tunde Kara) | Actor | 2005 - 2010 | 2 | 1 |
| Katkó, Ferenc | Ferenc Katkó (Ferenc Katkó) | Actor | 2010 | 1 | 1 |
| Kidd, Steve | Steve Kidd (Steve Kidd) | Actor | 2004 - 2021 | 3 | 1 |
| Kamtsis, Nikos | Nikos Kamtsis (Nikos Kamtsis) | Actor, Designer, Director, Lighting Designer, Translator | 2010 - 2019 | 6 | 1 |
| Krohn, Georg | Georg Krohn (Georg Krohn) | Actor | 1864 - 1869 | 6 | 1 |
| Klingenfeld, Emma | Emma Klingenfeld (Emma Klingenfeld) | Translator | 1876 - 2007 | 57 | 1 |
| Kavli, Christopher | Christopher Kavli (Christopher Kavli) | Actor | 1876 - 1883 | 17 | 1 |
| Key, Gustaf | Gustaf Emil Key | Actor | 1876 - 1879 | 7 | 1 |
| Krohn, Lully | Lully Krohn (Lully Krohn) | Actor | 1885 | 1 | 1 |
| Kempf, Carl | Carl Kempf (Carl Kempf) | Actor | 1887 | 1 | 1 |
| Kierschner, Franz | Franz Kierschner (Franz Kierschner) | Actor | 1889 - 1906 | 3 | 1 |
| Kenward, Edith | Edith Kenward (Edith Kenward) | Actor | 1891 - 1899 | 3 | 1 |
| Kellberg, Karl | Karl Kellberg (Karl Kellberg) | Actor | 1892 - 1904 | 38 | 1 |
| Kierulf, Thorvald | Thorvald Kierulf (Thorvald Kierulf) | Actor | 1896 | 2 | 1 |
| Kalkschmidt, Eugen | Eugen Kalkschmidt (Eugen Kalkschmidt) | Actor | 1898 | 18 | 1 |
| Keffel, Laura | Laura Keffel (Laura Keffel) | Actor | 1901 - 1902 | 14 | 1 |
| Keune, Gustav | Gustav Keune (Gustav Keune) | Actor | 1908 - 1925 | 12 | 1 |
| Kiesau, Georg | Georg Kiesau (Georg Kiesau) | Actor, Director | 1914 - 1938 | 7 | 1 |
| Keim, Josef | Josef Keim (Josef Keim) | Actor | 1921 - 1932 | 3 | 1 |
| Kanitz, Gertrud | Gertrud Kanitz (Gertrud Kanitz) | Actor | 1925 - 1928 | 5 | 1 |
| Kayßler, Christian | Christian Kayßler (Christian Kayßler) | Actor | 1928 | 1 | 1 |
| Kaiser, Friedrich Wilhelm | Friedrich Wilhelm Kaiser (Friedrich Wilhelm Kaiser) | Actor | 1928 | 2 | 1 |
| Kahn, Florence | Florence Kahn (Florence Kahn) | Actor | 1900 - 1936 | 8 | 1 |
| Kačalov, Vasilij | Vasilij Kačalov (Vasilij Kačalov) | Actor | 1900 - 1924 | 11 | 1 |
| Kawecka, Helena | Helena Kawecka (Helena Kawecka) | Translator | 1902 | 1 | 1 |
| Kenman, Margaret | Margaret Kenman (Margaret Kenman) | Actor | 1904 | 1 | 1 |
| Khol, František | František Khol (František Khol) | Adaptation | 1905 | 1 | 1 |
| Karataeff, A. | A. Karataeff (A. Karataeff) | Actor | 1906 | 3 | 1 |
| Kent, Edgar | Edgar Kent (Edgar Kent) | Actor | 1907 | 1 | 1 |
| Keenan, Reta E. | Reta E. Keenan (Reta E. Keenan) | Actor | 1909 | 2 | 1 |
| Kelly, Gregory | Gregory Kelly (Gregory Kelly) | Actor | 1910 | 3 | 1 |
| Kasprowicz, Jan | Jan Kasprowicz (Jan Kasprowicz) | Translator | 1910 - 1925 | 8 | 1 |
| Kahan, Bente | Bente Kahan (Bente Kahan) | Actor | 1990 - 1991 | 2 | 1 |
| Kvarme, Geir Sundberg | Geir Sundberg Kvarme (Geir Sundberg Kvarme) | Actor | 1991 - 2018 | 7 | 1 |
| Kent, Jonathan | Jonathan Kent (Jonathan Kent) | Actor, Director | 1977 - 2019 | 9 | 1 |
| Kelly, Miriam | Miriam Kelly (Miriam Kelly) | Actor | 1994 | 6 | 1 |
| Karlsen, Svein Roger | Svein Roger Karlsen (Svein Roger Karlsen) | Actor | 1993 - 2015 | 68 | 1 |
| Karinen, Ingolf | Ingolf Karinen (Ingolf Karinen) | Actor | 1997 - 2013 | 86 | 1 |
| Kalsås, Kim | Kim Kalsås (Kim Kalsås) | Actor | 1978 - 2014 | 67 | 1 |
| Knudsen, Ole Johan Skjelbred | Ole Johan Skjelbred Knudsen (Ole Johan Skjelbred Knudsen) | Actor | 2003 | 1 | 1 |
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