| Knabe, Herbert | Herbert Knabe | Actor | 1935 - 1936 | 2 | |
| Knab, Richard | Richard Knab | Actor | 1913 - 1915 | 6 | |
| Knaack, Peter | Peter Knaack | Actor | 2005 - 2017 | 5 | 1 |
| Knaack, Karl | Karl Knaack | Actor | 1932 | 2 | |
| Knaack, Hans | Hans Knaack | Actor | 1898 | 1 | |
| Knaack, Carl | Carl Knaack | Actor | 1906 | 1 | |
| Kmoch, - | - Kmoch | Composer | 1911 | 1 | |
| Kmiotek, Christian | Christian Kmiotek | Actor | 2000 - 2003 | 3 | |
| Kmentt, Max | Max Kmentt | Actor | 1881 | 1 | |
| Kment, Claudia | Claudia Kment | Actor | 2002 - 2004 | 12 | |
| Kłosiński, Janusz | Janusz Kłosiński | Actor | 1977 | 1 | |
| Kłopocki, Włodzimierz | Włodzimierz Kłopocki | Actor | 1971 | 1 | |
| Klysner, Ise | Ise Klysner | Sound Designer | 2006 | 1 | |
| Klykov, Vladimir | Vladimir Klykov | Sound Designer | 2017 - 2019 | 9 | |
| Klvana, Kathryn | Kathryn Klvana | Actor | 1985 | 1 | |
| Kluźniak, Dominika | Dominika Kluźniak | Actor | 2005 - 2006 | 4 | |
| Klüwer, Tone Kristine | Tone Kristine Klüwer | Actor | 2012 | 1 | |
| Klüwer, Ole Wilhelm | Ole Wilhelm Klüwer | Actor | 2012 | 1 | |
| Kluth, Vera | Vera Kluth | Actor | 1963 | 1 | |
| Kluth, Thomas | Thomas Kluth | Lighting Designer | 2013 | 1 | |
| Kluth, Daniel | Daniel Kluth | Actor | 2006 | 10 | |
| Kluten Klaave, Severin | Severin Kluten Klaave | Musician | 2008 | 1 | |
| Klute, Judith | Judith Klute | Actor | 1998 | 1 | |
| Klüsner, Carl | Carl Klüsner | Actor | 1938 | 1 | |
| Klusen, Ernst A. | Ernst A. Klusen | Director | 1982 | 1 | |
| Klusák, Jan | Jan Klusák | Composer | 1996 - 2002 | 3 | |
| Klupp, Robert | Robert Klupp | Actor | 1912 - 1924 | 2 | |
| Klüpfel, Ariane | Ariane Klüpfel | Actor | 2001 | 4 | |
| Klunis, Tom | Tom Klunis | Actor | 1983 | 1 | 1 |
| Klünder, Ingo | Ingo Klünder | Actor | 2006 - 2007 | 2 | |
| Klunde, Joakim Engelsen | Joakim Engelsen Klunde | Actor | 2022 | 1 | |
| Klumpf, Andreas | Andreas Klumpf | Actor | 2004 - 2007 | 3 | |
| Klumparová, Kateřina | Kateřina Klumparová | Actor | 1968 | 1 | |
| Kluht, Caroline | Caroline Kluht | Actor | 1961 | 1 | |
| Klühe, Erich | Erich Klühe | Actor | 1919 - 1920 | 2 | |
| Klugt, Niko van der | Niko van der Klugt | Designer, Lighting Designer | 1991 | 2 | |
| Klugt, Nathalie, van der | Nathalie van der Klugt | Actor | 1991 | 2 | |
| Klugman, Cecilia | Cecilia Klugman | Sound Designer | 2007 | 1 | |
| Kluger, Daniel | Daniel Kluger | Composer, Sound Designer | 2016 - 2021 | 4 | |
| Kluge, Jakob | Jakob Kluge | Sound Designer | 2021 | 1 | |
| Kluge, Erna | Erna Kluge | Actor | 1922 | 1 | |
| Kluga, Raymond M. | Raymond M. Kluga | Costume Designer | 1981 | 1 | |
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