| Kazalitzky, Antal | Antal Kazalitzky | Actor | 1890 | 1 | |
| Kovačić Pavlina, Petra | Petra Kovačić Pavlina | Actor | 2013 - 2017 | 2 | |
| Krčar, Ksenija | Ksenija Krčar | Director | 2015 | 1 | |
| Križ Posavec Drašković, Ida | Ida Križ Posavec Drašković | Costume Designer | 2015 | 1 | |
| Kerekeš, Jan | Jan Kerekeš | Actor | 2015 | 1 | |
| Krpan, Žarka | Žarka Krpan | Costume Designer | 2015 | 1 | |
| Karanović, Mirjana | Mirjana Karanović | Actor | 2015 | 2 | |
| Kaštelan, Lada | Lada Kaštelan | Dramaturg | 1996 | 1 | |
| Kaplan, Kristina | Kristina Kaplan | Actor | 2001 | 1 | |
| Konstantinović, Ana | Ana Konstantinović | Director | 2016 | 1 | |
| Kodžić, Mirjana | Mirjana Kodžić | Actor | 1968 | 2 | |
| Kraus, Richard | Richard Kraus | Conductor | 1927 | 1 | |
| Kučera, Julija | Julija Kučera | Actor | 1925 | 1 | |
| Konjović, Jovan | Jovan Konjović | Director | 1955 | 1 | |
| Kerkez, S | S Kerkez | Actor | 1955 | 1 | |
| Kozlovićeva, M | M Kozlovićeva | Actor | 1906 | 1 | |
| Kjerstad, Morten | Morten Kjerstad | Dramaturg | 2019 | 1 | |
| Kalvenes, Tor Endre | Tor Endre Kalvenes | Sound Designer | 2019 - 2022 | 2 | |
| Kambestad, Susann, Bugge | Susann Bugge Kambestad | Actor | 2019 | 1 | |
| Keeble, Max | Max Keeble | Actor | 2019 | 1 | |
| Krančević, Dragomir | Dragomir Krančević | Actor | 1903 - 1934 | 2 | |
| Kljaić-Radaković, Milica | Milica Kljaić-Radaković | Actor | 1978 | 1 | |
| Kraljev, Miro | Miro Kraljev | Actor | 1978 | 1 | |
| Krimšamhalov, Zaida | Zaida Krimšamhalov | Actor | 1984 | 1 | |
| Kljaić-Radaković, Milica | Milica Kljaić-Radaković | Actor | 1984 | 1 | |
| Kovač, Igor | Igor Kovač | Actor | 2017 | 1 | |
| Kačić, Zorana | Zorana Kačić | Actor | 2013 | 1 | |
| Koškina, Evgenija | Evgenija Koškina | Dancer | 2016 - 2019 | 5 | |
| Križman Hudernik, Tijuana | Tijuana Križman Hudernik | Dancer | 2016 - 2019 | 5 | |
| Kodulin, Ms | Ms Kodulin | Actor | 1888 | 1 | |
| Kraljić, Irena | Irena Kraljić | Designer | 2016 | 1 | |
| Ksenija Krnajski | Krnajski, Ksenija | Director | 2006 | 1 | |
| Krnajski, Aleksandra | Aleksandra Krnajski | Actor | 2006 | 1 | |
| Kesterčanek, Mr | Mr Kesterčanek | Actor | 1891 - 1898 | 3 | |
| Kandučar, Mirko | Mirko Kandučar | Actor | 1891 | 1 | |
| Kauzlarić, Vesna | Vesna Kauzlarić | Director | 1956 | 1 | |
| Kopunović, Geza | Geza Kopunović | Actor | 1956 - 1972 | 2 | |
| Kovačević, Eržika | Eržika Kovačević | Actor | 1956 - 1972 | 2 | |
| Klokić, Abdulah | Abdulah Klokić | Actor | 1948 - 1956 | 2 | |
| Kraljević, Ante | Ante Kraljević | Actor | 1956 | 1 | |
| Kuhlmann, Kenzie | Kenzie Kuhlmann | Actor | 2019 | 1 | |
| Kiss, Barbara | Barbara Kiss | Assistant Director | 2018 | 1 | |
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