| Könemund, Hans | Hans Könemund | Costume Designer, Designer | 1961 - 1968 | 3 | |
| Keith, Eugene | Eugene Keith | Actor | 1925 | 1 | |
| Kiss, Ica | Ica Kiss | Actor | 1925 | 1 | |
| Kőszegi, Irén | Irén Kőszegi | Actor | 1925 | 1 | |
| Körmendy, János | János Körmendy | Actor | 1900 - 1925 | 3 | |
| Kurucz, György | György Kurucz | Actor | 1925 | 1 | |
| Komlóssy, Ilona | Ilona Komlóssy | Actor | 1925 | 1 | |
| Kalkhurst, Eric | Eric Kalkhurst | Actor | 1925 | 1 | |
| Keefe, Esther | Esther Keefe | Actor | 1926 | 1 | |
| Kline, Marvin | Marvin Kline | Actor | 1926 | 1 | |
| Keller, Leslie | Leslie Keller | Actor | 1926 | 1 | |
| Kollendt, Gusti | Gusti Kollendt | Actor | 1900 | 1 | |
| Krause, Clara | Clara Krause | Actor | 1900 | 1 | |
| Kodzhabaschev, Hristo | Hristo Kodzhabaschev | Actor | 1926 - 1939 | 2 | |
| Kimball, Paul | Paul Kimball | Actor | 1926 | 1 | |
| Klika, František | František Klika | Actor | 1926 - 1933 | 4 | |
| Krtičková, Helena | Helena Krtičková | Actor | 1926 - 1933 | 3 | |
| Kremer, Jetty | Jetty Kremer | Actor | 1926 - 1928 | 2 | |
| Kremer, jongeh. | jongeh. Kremer | Actor | 1926 | 1 | |
| Krüger-Rosée, Lina | Lina Krüger-Rosée | Actor | 1900 - 1902 | 3 | |
| King, Robert | Robert King | Actor | 1926 - 1934 | 2 | |
| Kraa, Elly | Elly Kraa | Actor | 1926 | 1 | |
| Kaihua, Markku | Markku Kaihua | Actor | 1981 - 1988 | 2 | |
| Klinksieck, Lothar | Lothar Klinksieck | Actor | 1972 | 1 | |
| Kangas, Väinö | Väinö Kangas | Actor | 1981 | 1 | |
| Kekäläinen, Jukka | Jukka Kekäläinen | Actor | 1981 | 1 | |
| Klingler, Janet | Janet Klingler | Actor | 1981 | 1 | |
| Kennedy, Terry | Terry Kennedy | Actor | 1981 | 1 | |
| Koch, Christof | Christof Koch | Actor | 1972 | 1 | |
| Keller, Peter H. | Peter H. Keller | Actor | 1972 - 1987 | 2 | |
| Kloiber, Susanne | Susanne Kloiber | Costume Designer | 1981 - 1996 | 3 | |
| Kelly, P., J. | P. J. Kelly | Actor | 1927 | 1 | |
| King, George | George King | Actor | 1927 | 1 | |
| Košič, Milan | Milan Košič | Actor | 1928 | 1 | |
| Kremer, Cisca | Cisca Kremer | Actor | 1928 | 1 | |
| Kane, Whitford | Whitford Kane | Actor, Director | 1928 | 2 | |
| Krug, Katherine | Katherine Krug | Actor | 1928 - 1929 | 3 | |
| Kelly, E., I. | E. I. Kelly | Actor | 1928 | 1 | |
| Keil-Möller, Carlo | Carlo Keil-Möller | Actor | 1928 | 1 | |
| Kristen, Erika | Erika Kristen | Actor | 1916 - 1925 | 5 | |
| Kloster, Ragna | Ragna Kloster | Actor, Choreographer, Dancer | 1928 | 3 | |
| Koht, Kate | Kate Koht | Actor | 1928 | 1 | |
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