| Kozhuharov, Stojan, | Stojan Kozhuharov | Actor | 1909 | 1 | |
| Kleczyńska, Anna (?), | Anna (?) Kleczyńska | Actor | 1909 | 1 | |
| Kochanowski, Stanisław, | Stanisław Kochanowski | Translator | 1909 | 1 | |
| Kita, Renzo, | Renzo Kita | Designer | 1909 | 1 | |
| Kawarazaki, Shisen, | Shisen Kawarazaki | Actor | 1909 | 1 | |
| 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 | |
| Kerb, Martin | Martin Kerb | Actor | 1909 | 2 | |
| Kuntzmann, Marie | Marie Kuntzmann | Actor | 1909 | 1 | |
| Kuntzmann, Adolf | Adolf Kuntzmann | Actor | 1909 | 1 | |
| Kesztlerné, Júlia, Kápolnai | Júlia Kápolnai Kesztlerné | Actor | 1909 | 1 | |
| Kiss, Árpád | Árpád Kiss | Actor | 1909 | 1 | |
| Knüpfer, Felix | Felix Knüpfer | Actor, Director | 1909 | 4 | |
| Kaspar, Theo | Theo Kaspar | Actor | 1909 | 1 | |
| Klein, C. A. | C. A. Klein | Director | 1909 | 1 | |
| Kay, Madge | Madge Kay | Actor | 1909 | 1 | |
| Kögel, Josef, | Josef Kögel | Actor | 1909 - 1910 | 2 | |
| Krempien, Fritz, | Fritz Krempien | Director | 1909 - 1910 | 1 | |
| Kontogiannis, Orestis, | Orestis Kontogiannis | Actor | 1909 - 1910 | 4 | |
| Kopczewska, Zofia, | Zofia Kopczewska | Actor | 1909 - 1911 | 2 | |
| Kosel, Walter, | Walter Kosel | Actor | 1909 - 1912 | 8 | |
| Kny, Johanna, | Johanna Kny | Actor | 1909 - 1912 | 2 | |
| Kernic, Anka, | Anka Kernic | Actor | 1909 - 1918 | 6 | |
| Korth, Walter, | Walter Korth | Actor | 1909 - 1932 | 6 | |
| König, Erna, | Erna König | Actor | 1910 | 3 | |
| Kalkum, Georg, | Georg Kalkum | Actor | 1910 | 1 | |
| Kirchhofer, Werner, | Werner Kirchhofer | Actor | 1910 | 1 | |
| Koop, Else, | Else Koop | Actor | 1910 | 4 | |
| Kalter, Johanna, | Johanna Kalter | Costume Designer | 1910 | 1 | |
| Köhler, Georg, | Georg Köhler | Actor | 1910 | 1 | |
| Krebs, Karl, | Karl Krebs | Actor | 1910 | 1 | |
| Karlinger, Adolf, | Adolf Karlinger | Actor | 1910 | 1 | |
| Kaltenbach, Erich, | Erich Kaltenbach | Actor | 1910 | 1 | |
| Kleine, Olly, | Olly Kleine | Actor | 1910 | 1 | |
| Kofoed, Juul, | Juul Kofoed | Actor | 1910 | 2 | |
| Kelly, Gregory, | Gregory Kelly | Actor | 1910 | 3 | |
| 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 | 6 | |
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