| Krysińska, Faustyna | Faustyna Krysińska | Actor | 1908 | 1 | |
| Keefe, Belle | Belle Keefe | Actor | 1908 | 1 | |
| Kelemen, Mária | Mária Kelemen | Actor | 1908 - 1931 | 2 | |
| Kuncewicz, Witold | Witold Kuncewicz | Actor | 1908 - 1917 | 3 | |
| Kamińska, Jadwiga | Jadwiga Kamińska | Actor | 1908 - 1910 | 2 | |
| Korzeniewska, Józefa | Józefa Korzeniewska | Actor | 1908 | 1 | |
| Kasparová, Klára | Klára Kasparová | Actor | 1908 | 1 | |
| Kennicott, Grace | Grace Kennicott | Actor | 1908 | 1 | |
| Kiernicki, Marian | Marian Kiernicki | Actor | 1908 - 1915 | 3 | |
| Krystkiewiczówna, Janina | Janina Krystkiewiczówna | Actor | 1908 | 1 | |
| Keeman, W.M. | W. M. Keeman (W.M. Keeman) | Actor | 1909 | 2 | |
| Keasbey, R.Q. | R. Q. Keasbey (R.Q. Keasbey) | Actor | 1909 | 2 | |
| Kokalis, Augusts | Augusts Kokalis | Actor | 1909 - 1914 | 3 | |
| Keim, Adelaide | Adelaide Keim | Actor | 1909 | 1 | |
| Keim, Chauncey | Chauncey Keim | Actor | 1909 | 1 | |
| Kelley, Louise | Louise Kelley | Actor | 1909 | 1 | |
| Krzewińska, Barbara | Barbara Krzewińska | Actor | 1909 | 1 | |
| Kirov, Geno | Geno Kirov | Actor | 1909 - 1911 | 3 | |
| Kozhuharov, Stojan | Stojan Kozhuharov | Actor | 1909 | 1 | |
| Kleczyńska, Anna (?) | Anna (?) Kleczyńska | Actor | 1909 | 1 | |
| Kita, Renzo | Renzo Kita | Designer | 1909 | 1 | |
| Kawarazaki, Shisen | Shisen Kawarazaki | Actor | 1909 | 1 | |
| Kontogiannis, Orestis | Orestis Kontogiannis | Actor | 1909 - 1910 | 4 | |
| Kelch, Michael | Michael Kelch | Actor | 1909 | 1 | |
| Koumparis, Theodoros | Theodoros Koumparis | Actor | 1909 | 1 | |
| Koumpari, A. | A. Koumpari | Actor | 1909 | 1 | |
| Keenan, W.B. | W. B. Keenan (W.B. Keenan) | Actor | 1909 | 1 | |
| Kolár, Karel | Karel Kolár | Actor | 1910 - 1941 | 5 | |
| Kofoed, Juul | Juul Kofoed | Actor | 1910 | 2 | |
| Kamiński, Wiktor | Wiktor Kamiński | Actor | 1910 | 1 | |
| Kopacz, - | - Kopacz | Actor | 1910 | 1 | |
| Kaktiņš, Ādolfs | Ādolfs Kaktiņš | Actor | 1910 | 1 | |
| Kronbergs, Augusts | Augusts Kronbergs | Actor | 1910 - 1921 | 6 | |
| Kostula, H. | H. Kostula | Translator | 1910 | 1 | |
| Kułakowski, Zygmunt | Zygmunt Kułakowski | Actor | 1910 - 1913 | 5 | |
| Karasiński, Edmund | Edmund Karasiński | Actor | 1910 | 1 | |
| Kalinowski, Eugeniusz | Eugeniusz Kalinowski | Actor | 1910 | 1 | |
| Koksvik, Kari | Kari Koksvik | Actor | 1994 | 1 | |
| Kløvstad, Einar | Einar Kløvstad | Actor | 1994 | 1 | |
| Kottmann, Klaus | Klaus Kottmann | Lighting Designer | 2002 - 2007 | 3 | |
| Kampestuen, Akiko | Akiko Kampestuen | Mask Maker | 1990 | 1 | |
| Knudsen, Roy | Roy Knudsen | Sound Designer | 1990 - 2001 | 5 | |
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