| Kelo, Marno | Marno Kelo | Actor | 1992 | 1 | |
| Krassowski, Feliks | Feliks Krassowski | Designer | 1922 - 1923 | 2 | |
| Kazimierowski, Eugeniusz | Eugeniusz Kazimierowski | Designer | 1923 | 1 | |
| Kurnakowicz, Jan | Jan Kurnakowicz | Actor | 1923 | 1 | |
| Kyyrönen, Johannes | Johannes Kyyrönen | Lighting Designer | 1983 | 1 | |
| Kurosawa, Makiko | Makiko Kurosawa | Actor | 2000 | 1 | |
| Kobboldt, Dietmar | Dietmar Kobboldt | Director | 2000 | 1 | |
| Keskenović, Biljana | Biljana Keskenović | Actor | 2000 | 1 | |
| Kovačević, Ivana | Ivana Kovačević | Actor | 2000 | 1 | |
| Köstem, Şebnem | Şebnem Köstem (Sebnem Kostem) | Actor | 2012 | 1 | |
| Koyuncuoğlu, Emre | Emre Koyuncuoğlu | Director, Translator | 2012 | 2 | |
| Kuş, Gamze | Gamze Kuş (Gamze Kus) | Costume Designer, Designer | 2012 - 2018 | 3 | |
| Kalitowicz, Izabela | Izabela Kalitowicz | Actor | 1924 | 1 | |
| Kalinowski, Władysław | Władysław Kalinowski | Musician | 1923 | 1 | |
| Kaden, Czesław | Czesław Kaden | Actor | 1925 | 1 | |
| Kovjanić, Dubravka | Dubravka Kovjanić | Actor | 2000 | 3 | |
| Kutlešić, Jovan | Jovan Kutlešić | Actor | 2000 | 1 | |
| Kovačević, Snežana | Snežana Kovačević | Costume Designer | 2000 | 1 | |
| Kuruç, Bozkurt | Bozkurt Kuruç (Bozkurt Kuruc) | Actor, Director | 1960 - 1981 | 4 | |
| Kılıç, Nesrin | Nesrin Kılıç (Nesrin Kilic) | Actor | 1977 | 1 | |
| Koç, Tomris Oğuzalp | Tomris Oğuzalp Koç (Tomris Oguzalp Koc) | Actor | 1977 | 1 | |
| Kavuzlu, Olcay | Olcay Kavuzlu | Actor | 2014 | 1 | |
| Kurt, Mustafa | Mustafa Kurt | Director | 2014 | 1 | |
| Kjennerud, Øystein | Øystein Kjennerud | Producer | 2017 | 17 | |
| Kauppi, Emil | Emil Kauppi | Composer | 1925 | 1 | |
| Kondrat, Józef | Józef Kondrat | Actor | 1928 | 1 | |
| Kragstad, Petter | Petter Kragstad | Conductor | 2013 - 2014 | 2 | |
| Kuhn, Frl. | Frl. Kuhn | Actor | 1878 | 1 | |
| Kroneck, Ludwig | Ludwig Kroneck | Actor | 1905 | 1 | |
| Keller, Frl. | Frl. Keller | Actor | 1878 | 1 | |
| Kincses, Elemer | Elemer Kincses | Adaptation, Director, Musical Director | 2013 - 2015 | 6 | |
| Koltschakova, Magda | Magda Koltschakova | Actor | 1971 | 1 | |
| Kostadinov, Kalin | Kalin Kostadinov | Actor | 2015 - 2016 | 2 | |
| Kovács, Szabina | Szabina Kovács | Assistant Director | 2011 | 1 | |
| Krijn, Sari | Sari Krijn | Actor | 1971 | 1 | |
| Kicsid, Gizella | Gizella Kicsid | Actor | 2017 - 2019 | 9 | |
| Klykov, Vladimir | Vladimir Klykov | Sound Designer | 2017 - 2019 | 9 | |
| Kovács, Kinga | Kinga Kovács | Assistant Director | 2017 - 2019 | 9 | |
| Kennedy, Gary | Gary Kennedy | Actor | 1971 | 1 | |
| Kernan, Alvin | Alvin Kernan | Actor | 1971 | 1 | |
| Kessler, Evelyn | Evelyn Kessler | Actor | 1971 | 1 | |
| Kratz, Monika | Monika Kratz | Costume Designer | 1971 - 1976 | 2 | |
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