| Kernic, Anka | Anka Kernic | Actor | 1909 - 1918 | 6 | |
| Kokalis, Augusts | Augusts Kokalis | Actor | 1909 - 1914 | 3 | |
| Kny, Johanna | Johanna Kny | Actor | 1909 - 1911 | 2 | |
| Kirov, Geno | Geno Kirov | Actor | 1909 - 1911 | 3 | |
| Kopczewska, Zofia | Zofia Kopczewska | Actor | 1909 - 1910 | 2 | |
| Kontogiannis, Orestis | Orestis Kontogiannis | Actor | 1909 - 1910 | 4 | |
| Kerb, Martin | Martin Kerb | Actor | 1909 - 1910 | 2 | |
| 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 | |
| Künstler, Ernst | Ernst Künstler | Actor | 1909 | 1 | |
| Künstler, Marie | Marie Künstler | Actor | 1909 | 1 | |
| Kitzmann, - | - Kitzmann | Actor | 1909 | 1 | |
| Kobold, Ella | Ella Kobold | Actor | 1909 | 1 | |
| Kurth, Ferdinand | Ferdinand Kurth | Actor, Director | 1909 | 3 | |
| Kögel, Josef | Josef Kögel | Actor | 1909 | 2 | |
| Knorr, Marian | Marian Knorr | Actor | 1909 | 1 | |
| Körner, Paul | Paul Körner | Actor | 1909 | 1 | |
| Krampff, Mr. | Mr. Krampff | Actor | 1909 | 1 | |
| 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 | |
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