| Karliczek, Karl | Karl Karliczek | Actor | 1990 | 1 | |
| Kühn, Isolde | Isolde Kühn | Actor | 1990 | 1 | |
| Konstantakopoulos, Ilias | Ilias Konstantakopoulos | Lighting Designer | 1991 | 1 | |
| Kratochwil, Franz | Franz Kratochwil | Actor | 1990 | 1 | |
| Kaiser, Dieter | Dieter Kaiser | Actor | 1990 | 1 | |
| Kern, Georges | Georges Kern | Actor | 1988 | 7 | |
| Kelly, Joe | Joe Kelly | Actor | 1991 | 1 | |
| Kurihara, Komaki | Komaki Kurihara | Actor | 1990 | 1 | |
| Kimura, Mifue | Mifue Kimura | Actor | 1990 | 1 | |
| Kemény, Árpád | Árpád Kemény | Costume Designer, Designer | 1970 - 1991 | 5 | |
| Kátay, Endre | Endre Kátay | Actor | 1991 | 1 | |
| Klepper, Pia | Pia Klepper | Costume Designer | 1990 | 1 | |
| Kocsó, Gábor | Gábor Kocsó | Actor | 1991 - 1994 | 6 | |
| Kriener, Martin | Martin Kriener | Actor | 1990 | 6 | |
| Klie, Matthias | Matthias Klie | Actor | 1990 | 1 | |
| Kober, Adrian | Adrian Kober | Musician | 1990 | 1 | |
| Kent, David G. | David G. Kent | Director | 1991 | 1 | |
| Kleij, Lis, van der | Lis van der Kleij | Choreographer | 1991 | 1 | |
| Kuiper, Marcella | Marcella Kuiper | Actor | 1991 | 1 | |
| Kevin, Michael | Michael Kevin | Actor | 1990 | 2 | |
| Kempen, Rhea, van | Rhea van Kempen | Actor | 1991 | 1 | |
| Koelemeijer, Judith | Judith Koelemeijer | Actor | 1991 | 1 | |
| Kremer, Dan | Dan Kremer | Actor | 1990 - 2002 | 2 | |
| Klánová, Eva | Eva Klánová | Actor | 1991 | 2 | |
| Krüger, Christiana | Christiana Krüger | Actor | 1989 - 1992 | 3 | |
| Kniesbeck, Matthias | Matthias Kniesbeck | Actor | 1991 | 1 | |
| Kennedy, Jo | Jo Kennedy | Actor | 1990 | 1 | |
| Körtvélyessy, Zsolt | Zsolt Körtvélyessy | Actor | 1967 - 1991 | 2 | |
| Kun, Tibor | Tibor Kun | Actor | 1978 - 1991 | 2 | |
| Kageyama, Hitomi | Hitomi Kageyama | Actor | 1990 | 1 | |
| Konig, Yvette | Yvette Konig | Actor | 1990 | 1 | |
| Kammerer, Georg | Georg Kammerer | Designer | 1991 | 1 | |
| Karadimas, Taki | Taki Karadimas | Actor | 1991 | 1 | |
| Kock, Daniela | Daniela Kock | Actor, Costume Designer | 1991 | 4 | |
| Kunze, Susanne | Susanne Kunze | Actor | 1991 | 1 | |
| Kaps-Zurmahr, Helmut | Helmut Kaps-Zurmahr | Actor | 1956 - 1959 | 2 | |
| Kellner, Helmut | Helmut Kellner | Actor | 1991 | 3 | |
| Kanter, Christoph | Christoph Kanter | Designer | 1988 | 1 | |
| Kurš, Antonín | Antonín Kurš | Director | 1939 - 1956 | 2 | |
| Korpi, Jukka | Jukka Korpi | Actor | 1991 - 1993 | 20 | |
| Kossowsky, Jorge | Jorge Kossowsky | Assistant Director, Director | 1952 - 1956 | 3 | |
| Kropff, Joop | Joop Kropff | Costume Designer, Designer | 1956 | 2 | |
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