| Kovanko, Lilga | Lilga Kovanko | Actor | 1977 - 1978 | 2 | 1 |
| Kern, András | András Kern | Actor | 1989 | 2 | |
| Kiss, Jenő | Jenő Kiss | Actor | 1989 | 2 | |
| Kuhnhold, Sabrina | Sabrina Kuhnhold | Actor | 1999 - 2000 | 2 | |
| Kemp-Welch, Joan | Joan Kemp-Welch | Actor, Director | 1939 - 1970 | 2 | |
| Kahl, Gisela | Gisela Kahl | Dramaturg | 1990 - 1992 | 2 | |
| Kaitue, Katariina | Katariina Kaitue | Actor | 2002 - 2007 | 2 | 1 |
| Kalina, Jiří | Jiří Kalina | Actor | 1968 - 1971 | 2 | |
| Kaljola, Johannes | Johannes Kaljola | Actor | 1943 | 2 | |
| Kalmet, Leo | Leo Kalmet | Director | 1943 | 2 | |
| Kane, Patricia | Patricia Kane | Actor, Choreographer | 1953 | 2 | |
| Kaneko, Hiroshi | Hiroshi Kaneko | Adaptation, Director | 1977 | 2 | |
| Kansallisteatteri, Suomen | Suomen Kansallisteatteri | Costume Designer | 1972 - 1973 | 2 | |
| Karczewski, Zdzisław | Zdzisław Karczewski | Actor, Director | 1954 | 2 | |
| Karoliussen, Håkon | Håkon Karoliussen | Actor | 1998 - 2006 | 2 | 1 |
| Kárpáthy, Zoltán | Zoltán Kárpáthy | Actor, Choreographer | 1960 - 1965 | 2 | |
| Karst, Ronald | Ronald Karst | Actor | 1968 | 2 | |
| Kaspar, Jaroslav | Jaroslav Kaspar | Actor | 1957 - 1978 | 2 | |
| Katajisto, Martti | Martti Katajisto | Actor | 1972 - 1973 | 2 | |
| Kates, Bernard | Bernard Kates | Actor | 1915 - 1981 | 2 | |
| Kennedy, Sinead | Sinead Kennedy | Actor | 2006 - 2010 | 2 | |
| Kerr, Philip | Philip Kerr | Actor | 1973 - 1998 | 2 | |
| Kersten, Renate | Renate Kersten | Dramaturg | 1988 - 1993 | 2 | |
| Kessler, Michael | Michael Kessler | Actor | 1993 - 1996 | 2 | |
| Kessler, Othmar | Othmar Kessler | Actor | 1966 - 1982 | 2 | |
| Khanh, Lê | Lê Khanh | Actor | 2006 - 2010 | 2 | |
| Kihlström, Kari | Kari Kihlström | Actor | 1996 - 1999 | 2 | 1 |
| Kilchenmann, Lilette | Lilette Kilchenmann | Actor | 1944 - 1950 | 2 | |
| Kimbrough, Charles | Charles Kimbrough | Actor | 1967 - 1971 | 2 | |
| Kind, Günter | Günter Kind | Actor | 1962 - 1972 | 2 | |
| Kinnunen, Heikki | Heikki Kinnunen | Actor | 1987 - 2002 | 2 | 2 |
| Kisielnicki, Maurycy | Maurycy Kisielnicki | Actor | 1887 - 1900 | 2 | |
| Kiss, Mari | Mari Kiss | Actor | 2001 - 2016 | 2 | 1 |
| Klee, Josefine | Josefine Klee | Actor | 1928 - 1931 | 2 | 1 |
| Kleinert, Christian | Christian Kleinert | Actor | 2004 - 2006 | 2 | |
| Klette, Michael | Michael Klette | Director | 1999 - 2015 | 2 | |
| Klimes, Petr | Petr Klimes | Actor | 1998 - 2002 | 2 | |
| Klingelhoefer, Robert | Robert Klingelhoefer | Designer | 1993 - 2004 | 2 | |
| Knapczyńska, Józefa | Józefa Knapczyńska | Actor | 1883 - 1884 | 2 | |
| Knaus, Walter | Walter Knaus | Director | 1956 - 1965 | 2 | 1 |
| Köberich, Marion | Marion Köberich | Actor | 1986 - 1987 | 2 | |
| Koch, Erika | Erika Koch | Costume Designer | 1951 - 1953 | 2 | |
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