| Krempien, Fritz | Fritz Krempien | Director | 1909 | 1 | |
| Keenan, Reta E. | Reta E. Keenan | Actor | 1909 | 2 | |
| Keeman, W.M. | W. M. Keeman (W.M. Keeman) | Actor | 1909 | 2 | |
| Keasbey, R.Q. | R. Q. Keasbey (R.Q. Keasbey) | Actor | 1909 | 2 | |
| 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 | |
| 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 | |
| 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 | |
| Kaspar, Theo | Theo Kaspar | Actor | 1909 | 1 | |
| Klein, C. A. | C. A. Klein | Director | 1909 | 1 | |
| Kay, Madge | Madge Kay | Actor | 1909 | 1 | |
| Kopczewska, Zofia | Zofia Kopczewska | Actor | 1909 - 1910 | 2 | |
| Kontogiannis, Orestis | Orestis Kontogiannis | Actor | 1909 - 1910 | 4 | |
| Kerb, Martin | Martin Kerb | Actor | 1909 - 1910 | 2 | |
| Kny, Johanna | Johanna Kny | Actor | 1909 - 1911 | 2 | |
| Kirov, Geno | Geno Kirov | Actor | 1909 - 1911 | 3 | |
| Kokalis, Augusts | Augusts Kokalis | Actor | 1909 - 1914 | 3 | |
| Knopp, Kornelia | Kornelia Knopp | Actor | 1909 - 1918 | 3 | |
| Kernic, Anka | Anka Kernic | Actor | 1909 - 1918 | 6 | |
| Kosel, Walter | Walter Kosel | Actor | 1909 - 1919 | 8 | |
| Knüpfer, Felix | Felix Knüpfer | Actor, Director | 1909 - 1923 | 4 | |
| Kaufmann, Paul | Paul Kaufmann | Actor | 1909 - 1927 | 11 | |
| Kennedy, Mela | Mela Kennedy | Actor | 1909 - 1929 | 7 | |
| Korth, Walter | Walter Korth | Actor | 1909 - 1931 | 6 | |
| Kuhlmann, Elisabeth | Elisabeth Kuhlmann | Actor | 1909 - 1960 | 5 | |
| Kalkum, Georg | Georg Kalkum | Actor | 1910 | 1 | |
| Kirchhofer, Werner | Werner Kirchhofer | Actor | 1910 | 1 | |
| Kalter, Johanna | Johanna Kalter | Costume Designer | 1910 | 1 | |
| Köhler, Georg | Georg Köhler | Actor | 1910 | 1 | |
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