| Kousi, Lea | Lea Kousi | Designer | 1993 | 1 | |
| Konstantinou, Ilektra | Ilektra Konstantinou | Actor | 1993 | 3 | |
| Kechrimani, Anna | Anna Kechrimani | Actor | 1993 | 1 | |
| Korem, Shalom | Shalom Korem | Actor | 2017 | 1 | |
| Kaiser, Christoph | Christoph Kaiser | Actor | 2017 | 1 | |
| Kneidinger, Karl | Karl Kneidinger | Actor | 1903 - 1917 | 3 | |
| Kandl, Sery | Sery Kandl | Actor | 1912 | 1 | |
| Kohlbacher, Rena | Rena Kohlbacher | Actor | 1993 | 1 | |
| Kummer, Hansruedi | Hansruedi Kummer | Actor | 1993 | 3 | |
| Kühn, Isolde | Isolde Kühn | Actor | 1993 | 1 | |
| Kleiner, Peter | Peter Kleiner | Actor | 1993 | 1 | |
| Kautsky, Hans | Hans Kautsky | Designer | 1914 | 1 | |
| Kopera, Ashley | Ashley Kopera | Costume Designer | 2017 | 1 | |
| Kramer, Aaron | Aaron Kramer | Actor | 2017 | 1 | |
| Konrad, Joachim | Joachim Konrad | Actor | 1993 - 1994 | 2 | |
| König, Jürgen | Jürgen König | Actor | 1993 - 1994 | 2 | |
| Kappler, Tom | Tom Kappler | Dancer | 1993 | 1 | |
| Koliha, Petr | Petr Koliha | Producer | 1994 - 2004 | 2 | |
| Klein, Otmar | Otmar Klein | Musician | 1994 | 1 | |
| Koczan, Caroline | Caroline Koczan | Actor | 1994 | 1 | |
| Kırımoğlu, Şükrü | Şükrü Kırımoğlu (Sukru Kirimoglu) | Lighting Designer | 1981 | 1 | |
| Kabaoğlu, Şebnem | Şebnem Kabaoğlu (Sebnem Kabaoglu) | Actor | 1981 | 1 | |
| Koç, Ezgi | Ezgi Koç (Ezgi Koc) | Actor, Assistant Director | 2007 | 2 | |
| Konur, Berna | Berna Konur (Berna Konur) | Actor | 2007 | 1 | |
| Karaca, Zeki | Zeki Karaca (Zeki Karaca) | Actor | 2007 | 1 | |
| Korad, Asuman | Asuman Korad (Asuman Korad) | Director | 1971 | 1 | |
| Kırhan, Yıldırım | Yıldırım Kırhan (Yıldırım Kırhan) | Conductor | 1971 | 1 | |
| Kirshenbaum, David | David Kirshenbaum | Musical Director | 1994 | 1 | |
| Krauß, Fanni | Fanni Krauß | Actor | 1896 | 1 | |
| Kißmer, Willy | Willy Kißmer | Actor | 1906 | 1 | |
| Knüpfer, Julie | Julie Knüpfer | Actor | 1904 | 1 | |
| Krieger, Hr. | Hr. Krieger | Actor | 1889 | 1 | |
| Karrenbach, Theobald | Theobald Karrenbach | Actor | 1889 | 1 | |
| Kienast, Johannes | Johannes Kienast | Actor | 2017 | 1 | |
| Koch, Hedwig | Hedwig Koch | Actor | 1911 | 1 | |
| Kivinen, Anton | Anton Kivinen | Actor | 1880 | 1 | |
| Klockow, Till | Till Klockow | Actor | 1930 | 1 | |
| Kuitunen, Jetta | Jetta Kuitunen | Producer | 1997 | 1 | |
| Kunz, J. de Dreux | J. de Dreux Kunz | Actor | 1908 | 1 | |
| Kutlu, Gülgün | Gülgün Kutlu (Gulgun Kutlu) | Actor | 1975 | 1 | |
| Kong, Qingyao | Qingyao Kong | Producer | 2007 | 1 | |
| Kottow, Hans | Hans Kottow | Actor, Director | 1906 - 1908 | 3 | |
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