| Krois, Karl | Karl Krois | Actor | 1908 | 1 | |
| Kunz, J. de Dreux | J. de Dreux Kunz | Actor | 1908 | 1 | |
| Körner, Eugen | Eugen Körner | Actor | 1908 | 1 | |
| Kostin, K.K. | K.K. Kostin | Designer | 1908 | 1 | |
| Korzeniewska, Józefa, | Józefa Korzeniewska | Actor | 1908 - 1909 | 1 | |
| Krystkiewiczówna, Janina, | Janina Krystkiewiczówna | Actor | 1908 - 1909 | 1 | |
| Kliewer, Carl, | Carl Kliewer | Actor | 1908 - 1910 | 5 | |
| Kamińska, Jadwiga, | Jadwiga Kamińska | Actor | 1908 - 1911 | 2 | |
| Knudsen, Ranka, | Ranka Knudsen | Actor | 1908 - 1911 | 7 | |
| Kothe, Georg, | Georg Kothe | Actor | 1908 - 1912 | 4 | |
| Kobler, Julius, | Julius Kobler | Actor | 1908 - 1914 | 11 | |
| Kauer, Franz, | Franz Kauer | Actor, Director | 1908 - 1914 | 13 | |
| Kürti, József, | József Kürti | Actor | 1908 - 1914 | 4 | |
| Kiernicki, Marian, | Marian Kiernicki | Actor | 1908 - 1915 | 3 | |
| Kuncewicz, Witold, | Witold Kuncewicz | Actor | 1908 - 1917 | 3 | |
| Kusterer, Carl, | Carl Kusterer | Actor | 1908 - 1924 | 3 | |
| Keune, Gustav, | Gustav Keune | Actor | 1908 - 1931 | 12 | |
| Konopka, Julinka, | Julinka Konopka | Actor | 1909 | 47 | |
| Koronowski, Grete, | Grete Koronowski | Actor | 1909 | 1 | |
| Kreidel, Henry, | Henry Kreidel | Actor | 1909 | 1 | |
| Kreidel, Martha, | Martha Kreidel | Actor | 1909 | 1 | |
| Kuhlmann, Elisabeth, | Elisabeth Kuhlmann | Actor | 1909 | 5 | |
| Künstler, Ernst, | Ernst Künstler | Actor | 1909 | 1 | |
| Künstler, Marie, | Marie Künstler | Actor | 1909 | 1 | |
| Kitzmann, -, | - Kitzmann | Actor | 1909 | 1 | |
| Kaufmann, Paul, | Paul Kaufmann | Actor | 1909 | 11 | |
| Kobold, Ella, | Ella Kobold | Actor | 1909 | 1 | |
| Kurth, Ferdinand, | Ferdinand Kurth | Actor, Director | 1909 | 3 | |
| Knopp, Kornelia, | Kornelia Knopp | Actor | 1909 | 3 | |
| Knorr, Marian, | Marian Knorr | Actor | 1909 | 1 | |
| Körner, Paul, | Paul Körner | Actor | 1909 | 1 | |
| Krampff, Mr., | Mr. Krampff | Actor | 1909 | 1 | |
| Kennedy, Mela, | Mela Kennedy | Actor | 1909 | 7 | |
| Keenan, Reta E., | Reta E. Keenan (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 | |
| Kokalis, Augusts, | Augusts Kokalis | Actor | 1909 | 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 | 3 | |
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