| Kastrinakis, Stavros | Stavros Kastrinakis | Actor | 2018 | 1 | |
| Knezevic, Joana | Joana Knezevic | Actor | 2018 | 1 | |
| Khalid, Sohaira | Sohaira Khalid | Actor | 2018 | 1 | |
| Khan, Hajra, Zahid | Hajra Zahid Khan | Choreographer | 2018 | 1 | |
| Kálmán, Eszter | Eszter Kálmán | Designer | 2018 | 1 | |
| Kavita, Mikah | Mikah Kavita | Actor | 2018 | 1 | |
| Kvalvik, Anne Sofie | Anne Sofie Kvalvik | Actor | 2018 | 1 | |
| Kanda, Jason | Jason Kanda | Actor | 2018 | 1 | |
| Karanja, Judy, Nyambura | Judy Nyambura Karanja | Actor | 2018 | 1 | |
| Koop, Sarah | Sarah Koop | Actor | 2018 | 1 | |
| Kucharzak-Dziuda, Iwona | Iwona Kucharzak-Dziuda | Actor | 2018 | 1 | |
| Kinsella, Bob | Bob Kinsella | Actor | 2018 | 1 | |
| Kristensen, Preben | Preben Kristensen | Actor | 2018 | 39 | |
| Knarreborg, Mads | Mads Knarreborg | Actor | 2018 | 39 | |
| Kennedy, Amelia | Amelia Kennedy | Actor | 2018 | 1 | |
| Katsushiba, Jiro | Jiro Katsushiba | Lighting Designer | 2018 | 2 | |
| Kamimura, Shuhei | Shuhei Kamimura | Composer | 2018 | 2 | |
| Kinosita, Chie | Chie Kinosita | Actor | 2018 | 2 | |
| Kulak, Alex | Alex Kulak | Actor | 2018 | 1 | |
| Kušelj, Nikša | Nikša Kušelj | Actor | 2018 | 1 | |
| Kindermann, Johanna | Johanna Kindermann | Actor | 2018 | 1 | |
| Kjorstad, Jostein | Jostein Kjorstad | Actor | 2018 | 1 | |
| Kiss, Barbara | Barbara Kiss | Assistant Director | 2018 | 1 | |
| Kiss, Fabióla | Fabióla Kiss | Costume Designer | 2018 | 1 | |
| Kojabaseva, Ilijana | Ilijana Kojabaseva | Actor | 2018 | 1 | |
| Kühn, Nikolaus | Nikolaus Kühn | Actor | 2018 | 1 | |
| K. Vandevert, Paulsen | Paulsen K. Vandevert | Adaptation | 2018 | 1 | |
| Kahl, Gerrit | Gerrit Kahl | Actor | 2018 | 1 | |
| Kopittke, Sigrid | Sigrid Kopittke | Assistant Director, Costume Designer, Designer | 2018 | 3 | |
| Kocúriková, Zuzana | Zuzana Kocúriková | Actor | 2018 | 1 | |
| Karimi | Saeid | Dramaturg, Lighting Designer | 2018 | 2 | |
| Karimi, Tahoora | Tahoora Karimi | Director | 2018 | 1 | |
| Konrad, Villu | Villu Konrad | Lighting Designer | 2018 | 1 | |
| Kohinata, Fumiyo | Fumiyo Kohinata (小日向 文世) | Actor | 2018 | 1 | |
| Klarwein, Jason | Jason Klarwein | Actor | 2018 | 1 | |
| König, Michael | Michael König | Actor | 2017 - 2023 | 2 | |
| Kraaij, Peter van | Peter van Kraaij | Dramaturg, Translator | 2017 - 2021 | 8 | |
| Kraakman, Maria | Maria Kraakman | Actor | 2017 - 2021 | 5 | |
| Klever, Bart | Bart Klever | Actor | 2017 - 2021 | 3 | |
| 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 | |
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