| Kücken, Friedrich Wilhelm | Friedrich Wilhelm Kücken | Composer | 1885 - 1888 | 3 | |
| Kückelmann, Gertrud | Gertrud Kückelmann | Actor | 1971 - 1976 | 4 | 1 |
| Kuckartz, Mathias | Mathias Kuckartz | Actor | 1905 - 1909 | 3 | |
| Kück, Johanna | Johanna Kück | Actor | 2012 | 1 | |
| Kuck, Gerd Leo | Gerd Leo Kuck | Director, Dramaturg | 1972 - 1996 | 4 | |
| Kucis, Otto | Otto Kucis | Lighting Designer | 2004 | 1 | |
| Kuchta, Misha | Misha Kuchta | Costume Designer | 1997 | 1 | |
| Kuchle, Albert | Albert Kuchle | Actor | 1902 | 2 | |
| Kuchinka, Lukáš | Lukáš Kuchinka | Designer | 2011 | 1 | |
| Kuchin, Nikolai | Nikolai Kuchin | Stage Manager | 2023 | 7 | |
| Kucheran, Tamara Marie | Tamara Marie Kucheran | Costume Designer, Designer | 2002 | 2 | |
| Kuchenbuch, Roland | Roland Kuchenbuch | Actor | 2009 - 2012 | 3 | |
| Kuchenbuch, Robert | Robert Kuchenbuch | Actor | 2004 - 2010 | 26 | |
| Kucharzak-Dziuda, Iwona | Iwona Kucharzak-Dziuda | Actor | 2018 | 1 | |
| Kucharská, Lenka | Lenka Kucharská | Actor | 1984 | 1 | |
| Kuchařová, Eliška | Eliška Kuchařová | Actor | 1967 | 1 | |
| Kucharesin, Valerij | Valerij Kucharesin | Actor | 2003 - 2006 | 2 | 1 |
| Kučerovski, V. | V. Kučerovski | Actor | 1978 | 1 | |
| Kučerová, Viera | Viera Kučerová | Actor | 1993 | 1 | |
| Kučerová, Andrea | Andrea Kučerová | Costume Designer | 2000 | 1 | |
| Kučera, Karel | Karel Kučera | Translator | 1899 - 1940 | 5 | 1 |
| Kučera, Julija | Julija Kučera | Actor | 1925 | 1 | |
| Kučera, Jan | Jan Kučera | Actor | 1969 - 2000 | 4 | |
| Kučera, Jáchym | Jáchym Kučera | Actor | 2025 | 2 | |
| Kucera, Herbert | Herbert Kucera | Actor | 1963 - 1990 | 4 | |
| Kučera, Antonín | Antonín Kučera | Translator | 1940 | 2 | |
| Kubus, Renate | Renate Kubus | Actor | 1982 | 1 | |
| KUBUS, - | - KUBUS | Designer | 1998 | 1 | |
| Kubu, Epp | Epp Kubu | Designer | 2011 | 1 | |
| Kubran, Martin | Martin Kubran | Dramaturg | 2013 - 2021 | 3 | |
| Kubota, Tatsuo | Tatsuo Kubota | Actor | 1934 | 1 | |
| Kubota, Ryoko | Ryoko Kubota | Actor | 2006 | 1 | |
| Kubota, Mantaro | Mantaro Kubota | Director | 1940 | 1 | |
| Kubota, Koyo | Koyo Kubota | Actor | 1912 | 1 | |
| Kubo, Tadahiro | Tadahiro Kubo | Actor | 1999 | 1 | |
| Kublinskis, Mihails | Mihails Kublinskis | Director | 1991 | 1 | |
| Kublick, Dan | Dan Kublick | Actor | 2008 | 1 | |
| Kübler, Samuel, Lukas | Samuel Lukas Kübler | Actor | 2002 | 3 | 1 |
| Kübler, Olaf | Olaf Kübler | Actor | 1948 | 1 | |
| Kübler, Jörn | Jörn Kübler | Actor | 1948 | 1 | |
| Kübler, Arnold | Arnold Kübler | Actor | 1921 | 1 | |
| Kublashvili, Tornike | Tornike Kublashvili | Designer | 2014 | 1 | |
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