| Klusák, Jan | Jan Klusák | Composer | 1996 - 2002 | 3 | |
| Klusen, Ernst A. | Ernst A. Klusen | Director | 1982 | 1 | |
| Klüsner, Carl, | Carl Klüsner | Actor | 1938 | 1 | |
| Klute, Judith | Judith Klute | Actor | 1998 | 1 | |
| Kluth, Daniel | Daniel Kluth | Actor | 2006 | 10 | |
| Kluth, Thomas | Thomas Kluth | Lighting Designer | 2013 | 1 | |
| Kluth, Vera | Vera Kluth | Actor | 1963 | 1 | |
| Klüwer, Ole Wilhelm, | Ole Wilhelm Klüwer | Actor | 2012 | 1 | |
| Klüwer, Tone Kristine, | Tone Kristine Klüwer | Actor | 2012 | 1 | |
| Kluźniak, Dominika | Dominika Kluźniak | Actor | 2005 - 2006 | 4 | |
| Klvana , Kathryn | Kathryn Klvana | Actor | 1985 | 1 | |
| Klykov, Vladimir | Vladimir Klykov | Sound Designer | 2017 - 2019 | 9 | |
| Klysner, Ise | Ise Klysner | Sound Designer | 2006 | 1 | |
| Kłopocki, Włodzimierz | Włodzimierz Kłopocki | Actor | 1971 | 1 | |
| Kłosiński, Janusz | Janusz Kłosiński | Actor | 1977 | 1 | |
| Kment, Claudia | Claudia Kment | Actor | 2002 - 2004 | 12 | |
| Kmentt, Max, | Max Kmentt | Actor | 1881 | 1 | |
| Kmiotek, Christian, | Christian Kmiotek | Actor | 2000 - 2003 | 3 | |
| Kmoch, - | - Kmoch | Composer | 1911 | 1 | |
| Knaack, Carl, | Carl Knaack | Actor | 1906 | 1 | |
| Knaack, Hans, | Hans Knaack | Actor | 1898 | 1 | |
| Knaack, Karl, | Karl Knaack | Actor | 1932 | 2 | |
| Knaack, Peter | Peter Knaack | Actor | 2005 - 2017 | 5 | |
| Knab, Richard, | Richard Knab | Actor | 1913 - 1915 | 6 | |
| Knabe, Herbert, | Herbert Knabe | Actor | 1935 - 1936 | 2 | |
| Knabl, Nikolaus | Nikolaus Knabl | Sound Designer | 2014 - 2016 | 3 | |
| Knabl, Rudolf G. | Rudolf G. Knabl | Composer | 1981 - 2008 | 7 | |
| Knacke, Elizabeth | Elizabeth Knacke | Actor | 2004 | 1 | |
| Knagenhjelm, Hans Petter | Hans Petter Knagenhjelm | Actor | 1968 | 2 | |
| Knaipp, Alexander | Alexander Knaipp | Actor | 2011 | 6 | |
| Knake-Zawadzki, Stanisław, | Stanisław Knake-Zawadzki | Actor | 1894 - 1911 | 7 | |
| Knapczyńska, Józefa, | Józefa Knapczyńska | Actor | 1883 - 1884 | 2 | |
| Knapczyński, Czesław, | Czesław Knapczyński | Actor | 1882 - 1898 | 3 | |
| Knape, Gerhard | Gerhard Knape | Actor | 1950 | 1 | |
| Knapik , Dominika | Dominika Knapik | Choreographer | 2012 | 1 | |
| Knapp, Alexander, T. | Alexander T. Knapp | | | | 4 |
| Knapp, Ax | Ax Knapp | Actor | 1934 | 1 | |
| Knapp, Bill | Bill Knapp | Actor | 1972 | 1 | |
| Knapp, Cornelia, | Cornelia Knapp | Actor | 1916 - 1917 | 2 | |
| Knapp, Jesper, | Jesper Knapp | Actor | 2004 - 2006 | 27 | |
| Knapp, Max, | Max Knapp | Actor | 1946 | 1 | |
| Knapp, Merrill | Merrill Knapp | Actor | 1934 | 1 | |
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