| Kuzelov, Nikola | Nikola Kuzelov (Никола Кузелов) | Actor | 2012 | 1 | |
| Kondovska, Marija | Marija Kondovska (Марија Кондовска) | Actor | 2022 | 1 | |
| Kirić, Radmila | Radmila Kirić (Радмила Кириќ) | Actor | 2017 | 1 | |
| Krapi, Besnik | Besnik Krapi | Actor | 2014 | 2 | |
| Kaludova, Nevena | Nevena Kaludova (Невена Калудова) | Actor | 2022 - 2023 | 2 | |
| Kjulev, Ivan | Ivan Kjulev (Иван Кюлев) | Designer | 1923 | 1 | |
| Kählert, Timo | Timo Kählert | Actor | 2022 | 1 | |
| Kazankaya, Nesrin | Nesrin Kazankaya | Translator | 2022 | 1 | |
| Kahnert, Boris | Boris Kahnert | Lighting Designer | 2022 | 1 | |
| Kıvanç, Ekin | Ekin Kıvanç | Assistant Director | 2023 | 1 | |
| Kelemen, Barna Bányai | Barna Bányai Kelemen | | | | |
| Kovács, Bálint | Bálint Kovács | Designer | | 1 | |
| Kurucz, András | András Kurucz | Designer | | 1 | |
| Kavanagh , Aoife | Aoife Kavanagh | Sound Designer | 2023 | 1 | |
| Kara, Seleb | Seleb Kara | Director | 2023 | 1 | |
| Kais, Adam | Adam Kais | | | | |
| Kragseth, Rolf | Rolf Kragseth | Actor | 2023 | 1 | |
| Kummrow, Anna Elisabeth | Anna Elisabeth Kummrow | Actor | 2023 | 1 | |
| Kostiv, Jacob | Jacob Kostiv | Actor | 2023 | 1 | |
| Kudah, Asger | Asger Kudah | Lighting Designer | 2023 | 1 | |
| Kraemer, Gabriela | Gabriela Kraemer | Director | 2023 | 1 | |
| Katris, Zack | Zack Katris | Actor | 2023 | 1 | |
| Kennedy, Nick | Nick Kennedy | Actor | 2023 | 1 | |
| Khodr, Chrystèle | Chrystèle Khodr | Adaptation, Director, Playwright | 2023 - 2024 | 8 | |
| Kreig, Raúl | Raúl Kreig | Actor | 2023 | 1 | |
| Kirk, Will | Will Kirk | Actor | 2023 | 1 | |
| Kidd, Anna | Anna Kidd | Sound Designer | 2023 | 1 | |
| Kempkes, Peter | Peter Kempkes | Actor | 2023 | 7 | |
| Kern, Christian | Christian Kern | | | | |
| Kuchin, Nikolai | Nikolai Kuchin | Stage Manager | 2023 | 7 | |
| Kiala, Para | Para Kiala | Actor | 2023 - 2024 | 3 | |
| Ko, Tiffany | Tiffany Ko | Stage Manager | 2023 | 1 | |
| Kreißl, Cyrill | Cyrill Kreißl | Set Designer | 2023 | 1 | |
| Kocmanová, Petra | Petra Kocmanová | Actor | 2023 | 1 | |
| Khan, Qasim | Qasim Khan | Actor | 2024 | 1 | |
| Kagen, Patrick | Patrick Kagen | Actor | 2023 | 1 | |
| Kelln, Mya | Mya Kelln | Director | 2023 - 2024 | 2 | |
| Kowalski, Julia | Julia Kowalski | Actor | 2023 | 1 | |
| Kazantsev, Denis | Denis Kazantsev (Денис Казанцев) | Actor | 2021 | 1 | |
| Kallset, Jo | Jo Kallset | Actor | 2023 | 1 | |
| Kuroda, Haruka | Haruka Kuroda | Intimacy Coordinator | 2023 | 1 | |
| Karavaev, Yuri | Yuri Karavaev | Conductor | 2020 | 1 | |
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