| Kreysern, Eberhard | Eberhard Kreysern | Actor | 1920 - 1928 | 2 | |
| Klein, Barbara | Barbara Klein | Actor | 1975 - 1991 | 2 | |
| Karlsson, Jon | Jon Karlsson | Actor | 2006 | 2 | 1 |
| Klinga, Elin | Elin Klinga | Actor | 2006 | 2 | 1 |
| Kanzaï, - | - Kanzaï | Composer | 2002 | 2 | |
| Koné, Manibi | Manibi Koné | Actor | 2002 | 2 | |
| Kruse, Jan | Jan Kruse | Actor | 1998 | 2 | |
| Keir, Sasha | Sasha Keir | Costume Designer | 1990 | 2 | |
| Kolehmainen, Eero-Pekka | Eero-Pekka Kolehmainen | Composer | 1995 - 1996 | 2 | |
| Klintrup, Anna-Maria | Anna-Maria Klintrup | Actor | 1995 - 1996 | 2 | |
| Kiiskinen, Vera | Vera Kiiskinen | Actor | 1995 - 1996 | 2 | |
| Kabre, Athanase | Athanase Kabre | Actor | 1992 | 2 | |
| Kellogg, Marjorie Bradley | Marjorie Bradley Kellogg | Designer | 1981 - 1990 | 2 | 1 |
| Kalinina, Elena | Elena Kalinina | Actor | 1996 - 2013 | 2 | |
| Krobot, Ivo | Ivo Krobot | Director | 1995 - 1996 | 2 | |
| Kranidiotis, Panos | Panos Kranidiotis | Actor | 1990 - 1991 | 2 | |
| Kopernikus, Nicolaj | Nicolaj Kopernikus | Actor | 2006 | 2 | 2 |
| Kay, Arthur W. | Arthur W. Kay | Director | 1928 - 1967 | 2 | |
| Košak, Vinko | Vinko Košak | Translator | 1928 - 1929 | 2 | |
| Kurent, Andrej | Andrej Kurent | Actor | 1979 | 2 | |
| Kabelač, Miroslav | Miroslav Kabelač | Musical Director | 1979 | 2 | |
| Kociniak, Jan | Jan Kociniak | Actor | 1970 - 1971 | 2 | |
| Kociniak, Marian | Marian Kociniak | Actor | 1970 - 1971 | 2 | |
| Kalanke, Renate | Renate Kalanke | Costume Designer | 1965 - 1974 | 2 | |
| Kihlman, Olle | Olle Kihlman | Actor | 1974 - 1975 | 2 | |
| Kay, Richard | Richard Kay | Actor | 1962 - 1974 | 2 | |
| Kaufmann, Carla | Carla Kaufmann | Actor | 1970 | 2 | |
| Kamas, Jerzy | Jerzy Kamas | Actor | 1974 - 1976 | 2 | |
| Kawatsu, Saeko | Saeko Kawatsu | Actor | 1978 - 1980 | 2 | |
| Kříž, Karel | Karel Kříž | Director | 1972 - 1983 | 2 | |
| Kubin, Inez | Inez Kubin | Actor | 1900 | 2 | |
| Krampe, Klaus | Klaus Krampe | Director | 1975 - 1998 | 2 | |
| Kreißel, Richard | Richard Kreißel | Actor, Director | 1895 | 2 | |
| Kniel, Ernst | Ernst Kniel | Actor | 1895 - 1905 | 2 | |
| Kröger, Dora | Dora Kröger | Actor | 1893 - 1907 | 2 | |
| Klapper, Jürgen | Jürgen Klapper | Costume Designer, Designer | 1975 | 2 | |
| Kappner, Hr. | Hr. Kappner | Actor | 1878 - 1880 | 2 | |
| Kvaša, Igor | Igor Kvaša | Actor | 1979 - 1981 | 2 | |
| Kirkman, Penny | Penny Kirkman | Actor | 1973 - 1977 | 2 | |
| Kinding, Thomas | Thomas Kinding | Designer, Translator | 1961 - 1979 | 2 | |
| Kołodziej, Marian | Marian Kołodziej | Designer | 1975 - 1979 | 2 | |
| Köhler, Heinz-Dieter | Heinz-Dieter Köhler | Adaptation, Director | 1972 | 2 | 1 |
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