| Koun, Karolos | Karolos Koun | Actor, Costume Designer, Designer, Director | 1939 - 1956 | 73 | |
| Kurš, Antonín | Antonín Kurš | Director | 1939 - 1956 | 2 | |
| Kol'cov, Ju. | Ju. Kol'cov | Actor | 1939 - 1960 | 2 | |
| Krauklis, Atis | Atis Krauklis | Actor | 1939 - 1964 | 2 | |
| Kemp-Welch, Joan | Joan Kemp-Welch | Actor, Director | 1939 - 1970 | 2 | |
| Kallergis, Lykourgos | Lykourgos Kallergis | Actor, Director | 1939 - 1990 | 38 | |
| Klubal, Anton | Anton Klubal | Actor | 1940 | 1 | |
| Kuhn, Heinrich | Heinrich Kuhn | Actor | 1940 | 1 | |
| Koop, Georg | Georg Koop | Actor | 1940 | 1 | |
| Kull, Käthe | Käthe Kull | Actor | 1940 | 1 | |
| Klausegger, Bethli | Bethli Klausegger | Actor | 1940 | 1 | |
| Köppen, Otto | Otto Köppen | Actor | 1940 | 1 | |
| Kästner, Renate | Renate Kästner | Actor | 1940 | 1 | |
| Kleinová, V. | V. Kleinová | Actor | 1940 | 1 | |
| Kazil, Jan | Jan Kazil | Musician | 1940 | 1 | |
| Kučera, Antonín | Antonín Kučera | Translator | 1940 | 2 | |
| Karen, Bedřich | Bedřich Karen | Actor | 1940 | 2 | |
| Krejza, Jiří | Jiří Krejza | Actor | 1940 | 2 | |
| Kingman, Henry, S. | Henry S. Kingman | Actor | 1940 | 2 | |
| Kelsey, Elizabeth, Walsingham | Elizabeth Walsingham Kelsey | Director | 1940 | 1 | |
| Krannhals, Alexander | Alexander Krannhals | Conductor | 1940 | 1 | |
| Kirkevoll, Gullig | Gullig Kirkevoll | Choreographer | 1940 | 1 | |
| Kubota, Mantaro | Mantaro Kubota | Director | 1940 | 1 | |
| Kahara, Natsuko | Natsuko Kahara | Actor | 1940 | 1 | |
| Kelley, Elsie | Elsie Kelley | Actor | 1940 | 2 | |
| Kelly, Frances | Frances Kelly | Actor | 1940 | 2 | |
| Kingbay, Kay | Kay Kingbay | Actor | 1940 | 2 | |
| Karalambov, Stefan | Stefan Karalambov | Actor | 1940 | 1 | |
| Konwitschny, Franz | Franz Konwitschny | Conductor | 1940 | 1 | |
| Kritzegg, Gertrud | Gertrud Kritzegg | Actor | 1940 | 2 | |
| Krauser, Erwin | Erwin Krauser | Actor | 1940 - 1941 | 2 | |
| Kaes, Hans | Hans Kaes | Actor | 1940 - 1948 | 4 | |
| Kulundžić, Josip | Josip Kulundžić | Translator | 1940 - 1995 | 8 | |
| Kajdassy, Ferike | Ferike Kajdassy | Actor | 1941 | 1 | |
| Kovács, Irénke | Irénke Kovács | Actor | 1941 | 1 | |
| Kiechle, Alfons | Alfons Kiechle | Actor | 1941 | 1 | |
| Kahlmann, Carl | Carl Kahlmann | Actor | 1941 | 1 | |
| Kempgens, Erich | Erich Kempgens | Designer | 1941 | 1 | |
| Kenessey, Ferenc | Ferenc Kenessey | Actor | 1941 | 1 | |
| Kisteleky, V. | V. Kisteleky | Actor | 1941 | 1 | |
| Kalaš, Julius | Julius Kalaš | Composer | 1941 | 1 | |
| Kubík, Hanuš | Hanuš Kubík | Actor | 1941 | 1 | |
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