| 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 | Actor | 1981 | 1 | |
| Koç, Ezgi | Ezgi Koç | Actor, Assistant Director | 2007 | 2 | |
| Konur, Berna | Berna Konur | Actor | 2007 | 1 | |
| Karaca, Zeki | Zeki Karaca | Actor | 2007 | 1 | |
| Korad, Asuman | Asuman Korad | Director | 1971 | 1 | |
| Kırhan, Yıldırım | 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 | |
| Körner, Eugen | Eugen Körner | Actor | 1908 | 1 | |
| Kanagawa, Hiro | Hiro Kanagawa | Adaptation | 2015 | 1 | |
| Koukoumas, Georgios | Georgios Koukoumas | Lighting Designer | 2017 | 2 | |
| Kim, Daijin | Daijin Kim | Actor | 2017 | 2 | |
| Kim, Beomjin | Beomjin Kim | Actor | 2017 | 2 | |
| Kielwagen, Jefferson | Jefferson Kielwagen | Designer | 2017 | 1 | |
| Keogh, Jeff | Jeff Keogh | Actor | 2001 | 6 | |
| Kopp, David | David Kopp | Actor | 2018 | 1 | |
| Käser, Martin | Martin Käser | Designer | 2018 | 5 | |
| Kühl, Michael | Michael Kühl | Actor | 2018 | 5 | |
| Komorr, Ralf | Ralf Komorr | Actor | 2018 | 5 | |
| Kálmán, Emmerich | Emmerich Kálmán | Composer | 2018 | 1 | |
| Kleimo, Emily | Emily Kleimo | Actor | 2018 | 1 | |
| Kelly, Patrick | Patrick Kelly | Actor | 2018 | 1 | |
| Kronau, Siegfried | Siegfried Kronau | Actor | 1914 | 2 | |
| Kuhn, Marta | Marta Kuhn | Actor | 1911 - 1914 | 5 | |
| Kroseck, Carl, Fritz | Carl Fritz Kroseck | Actor | 1911 | 1 | |
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