| Kambayashi, Matsuzo, | Matsuzo Kambayashi | Actor | 1914 | 1 | |
| Kuga, J., | Jānis Kuga (J. Kuga) | Designer | 1914 | 2 | |
| Kondo, Kazuya, | Kazuya Kondo | Actor | 1914 | 1 | |
| Kito, Shuzo, | Shuzo Kito | Actor | 1914 | 1 | |
| Kassabova, Ivanka, | Ivanka Kassabova | Actor | 1915 | 1 | |
| Kundziņš, P., | P. Kundziņš | Designer | 1915 | 1 | |
| Kruger, Alma, | Alma Kruger | Actor | 1900 - 1929 | 5 | |
| Kantiotis, Emmanouil, | Emmanouil Kantiotis | Actor | 1916 | 1 | |
| Knudssøn, Rolf, | Rolf Knudssøn | Actor | 1916 - 1926 | 3 | |
| Krüger, Emmy, | Emmy Krüger | Actor | 1916 - 1918 | 4 | |
| Koren-Wiberg, Mary, | Mary Koren-Wiberg | Actor | 1917 - 1961 | 18 | |
| Kirkeby, Betty, | Betty Kirkeby | Actor | 1917 - 1928 | 2 | |
| Kārkliņš [Zeltmatis], Ernests, | Ernests Kārkliņš [Zeltmatis] | Director | 1917 | 1 | |
| Krastiņš, Voldemārs, | Voldemārs Krastiņš | Actor | 1917 | 1 | |
| Kalniņš, Rodrigo, | Rodrigo Kalniņš | Actor | 1917 - 1921 | 3 | |
| Kvēps, Konrāds, | Konrāds Kvēps | Actor | 1917 - 1937 | 3 | |
| Kramer, Folkert, | Folkert Kramer | Actor | 1917 - 1918 | 2 | |
| Korntopf, J., | J. Korntopf | Actor | 1917 | 1 | |
| Krinkels, L., | L. Krinkels | Director | 1918 | 1 | |
| Karsten, Paul, | Paul Karsten | Actor | 1918 | 1 | |
| Katsura, Hisako, | Hisako Katsura | Actor | 1918 | 1 | |
| Khmara, Grigory, | Grigory Khmara | Actor | 1918 | 1 | |
| Kean, Frances, | Frances Kean | Actor | 1918 | 1 | |
| Kirksæther, Aase, | Aase Kirksæther | Actor | 1919 | 1 | |
| Konstantinidou, Tz., | Tz. Konstantinidou | Actor | 1919 | 1 | |
| Kanellopoulou, Xaveria, | Xaveria Kanellopoulou | Actor | 1919 | 1 | |
| Kralj, Emil, | Emil Kralj | Actor, Director | 1919 - 1929 | 4 | |
| Kabók, Győző, | Győző Kabók | Actor | 1920 | 1 | |
| Klaniczay, Gyula, | Gyula Klaniczay | Actor | 1920 | 1 | |
| Kåge, Ivar, | Ivar Kåge | Actor | 1920 - 1927 | 3 | |
| Kvaran, Ragnar E., | Ragnar E. Kvaran (Ragnar E. Kvaran) | Actor | 1920 | 1 | |
| Kamburova, Dobrinka, | Dobrinka Kamburova | Actor | 1912 - 1921 | 3 | |
| Knudsen, Kaare, | Kaare Knudsen | Actor | 1921 - 1942 | 3 | |
| Komisarjevsky, Theodore, | Theodore Komisarjevsky | Director, Producer | 1921 - 1924 | 4 | |
| Krausová-Lesná, Milada, | Milada Krausová-Lesná | Translator | 1922 - 1937 | 4 | |
| Kratinová, Hermína, | Hermína Kratinová | Actor | 1921 - 1928 | 6 | |
| Kelly, Katherine Wick, | Katherine Wick Kelly | Actor | 1922 - 1930 | 2 | |
| Keith-Johnston, Colin, | Colin Keith-Johnston | Actor | 1922 - 1939 | 2 | |
| Keranov, Dimitar, | Dimitar Keranov | Actor | 1923 | 1 | |
| Kantor, Alexandr, | Alexandr Kantor | Director | 1923 | 1 | |
| Krauklis, Nikolajs, | Nikolajs Krauklis | Actor | 1923 - 1939 | 2 | |
| Klitsch, Wilhelm, | Wilhelm Klitsch | Actor | 1923 | 1 | |
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