| Kelly, Sarah | Sarah Kelly | Actor, Dancer | 2000 - 2004 | 2 | |
| Klipstein, Ernst Vollrath v. | Ernst Vollrath v. Klipstein | Actor | 1932 - 1963 | 2 | |
| Klein, Frieder | Frieder Klein | Designer | 1971 - 1979 | 2 | |
| Komanns, Paul Josef | Paul Josef Komanns | Designer | 1959 - 1964 | 2 | |
| Kulesa, Tom | Tom Kulesa | Actor | 1994 - 1997 | 2 | |
| Klaers, Michael | Michael Klaers | Lighting Designer | 1999 - 2010 | 2 | |
| Keegan, Hugh | Hugh Keegan | Director, Lighting Designer | 1974 - 2008 | 2 | |
| Kwa, Kimberly Anne | Kimberly Anne Kwa | Lighting Designer | 2007 - 2011 | 2 | |
| Kuhn, - | - Kuhn | Actor | 1918 | 2 | |
| Kara, Tunde | Tünde Kara (Tunde Kara) | Actor | 2005 - 2010 | 2 | 1 |
| Kokkonen, Lauri | Lauri Kokkonen | Lighting Designer | 1972 - 1975 | 2 | |
| Kärkinen, Kaija | Kaija Kärkinen | Actor | 1992 - 1994 | 2 | |
| Kley, Wilhelmina | Wilhelmina Kley | Actor | 1917 - 1925 | 2 | |
| Kinga, Luca | Luca Kinga | Choreographer | 2010 | 2 | |
| Klepikov, Anya | Anya Klepikov | Costume Designer, Designer | 2011 | 2 | |
| Kassabi, Nathan | Nathan Kassabi | Actor | 2010 - 2011 | 2 | |
| Koch, Cedric Joel | Cedric Joel Koch | Actor | 2011 - 2012 | 2 | |
| Kinnear, Sherry | Sherry Kinnear | Costume Designer | 2011 | 2 | |
| Kook, Beryl | Beryl Kook | Actor | 1917 - 1930 | 2 | |
| Kerpen, Lori | Lori Kerpen | Actor | 1952 | 2 | |
| Kowalska, Wanda | Wanda Kowalska | Costume Designer | 2008 - 2025 | 2 | |
| Kerlé, Heta | Heta Kerlé | Costume Designer | 1954 - 1963 | 2 | |
| Kawecki, Kathryn | Kathryn Kawecki | Designer | 2010 - 2011 | 2 | |
| Köhler, Ole | Ole Köhler | Actor | 2011 | 2 | |
| Koehler, Selma | Selma Koehler | Actor | 2011 | 2 | |
| Kehlet, Benjamin | Benjamin Kehlet | Sound Designer | 2010 | 2 | |
| Köllner, Ursula | Ursula Köllner | Actor | 1963 | 2 | |
| Knight, David | David Knight | Director | 1984 - 1988 | 2 | |
| Kruse, Fanny | Fanny Kruse | Actor | 1872 | 2 | |
| Kruse, Bernhardine | Bernhardine Kruse | Actor | 1872 | 2 | |
| Karras, Frl. | Frl. Karras | Actor | 1876 | 2 | |
| Krag, Augusta | Augusta Krag | Actor | 1877 - 1879 | 2 | |
| Kuban, Herr | Herr Kuban | Actor | 1878 | 2 | |
| Krähl, Alfred | Alfred Krähl | Actor | 1885 - 1898 | 2 | |
| Kohout, Bohdan | Bohdan Kohout | Actor | 1885 - 1891 | 2 | |
| Karbus, Alfréd | Alfréd Karbus | Actor | 1885 - 1891 | 2 | |
| Klotz, Mr. | Mr. Klotz | Actor | 1886 - 1889 | 2 | |
| Kühle, Albert | Albert Kühle | Actor | 1888 | 2 | |
| Kinder, Heinrich | Heinrich Kinder | Actor | 1888 | 2 | |
| Kral II, Mr. | Mr. Kral II | Actor | 1888 - 1889 | 2 | |
| Kotz, Julius | Julius Kotz | Actor | 1889 | 2 | |
| Kessler, Oskar | Oskar Kessler | Actor | 1889 - 1891 | 2 | |
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